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Finding the Fourth Proportional to 73,728,001.20, 110,592,001.80 and 25,863,783.60

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Solution

The fourth proportional to 73,728,001.20, 110,592,001.80 and 25,863,783.60 is: 38,795,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,728,001.20 : 110,592,001.80 = 25,863,783.60 : x
  2. Step 2: Convert to fraction form
    73,728,001.20/110,592,001.80 = 25,863,783.60/x
  3. Step 3: Cross multiply
    73,728,001.20x = 110,592,001.80 × 25,863,783.60
  4. Step 4: Simplify right side
    73,728,001.20x = 2,860,327,602,446,010.50
  5. Step 5: Solve for x
    x = 2,860,327,602,446,010.50/73,728,001.20
  6. Step 6: Final answer
    x = 38,795,675.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.