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Finding the Fourth Proportional to 64,336,000.80, 96,578,650.80 and 38,805,837.60

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Solution

The fourth proportional to 64,336,000.80, 96,578,650.80 and 38,805,837.60 is: 58,253,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,336,000.80 : 96,578,650.80 = 38,805,837.60 : x
  2. Step 2: Convert to fraction form
    64,336,000.80/96,578,650.80 = 38,805,837.60/x
  3. Step 3: Cross multiply
    64,336,000.80x = 96,578,650.80 × 38,805,837.60
  4. Step 4: Simplify right side
    64,336,000.80x = 3,747,815,438,571,910
  5. Step 5: Solve for x
    x = 3,747,815,438,571,910/64,336,000.80
  6. Step 6: Final answer
    x = 58,253,783.14

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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.