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Finding the Fourth Proportional to 74,051.20, 111,076.80 and 32,498.20

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Solution

The fourth proportional to 74,051.20, 111,076.80 and 32,498.20 is: 48,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.20 : 111,076.80 = 32,498.20 : x
  2. Step 2: Convert to fraction form
    74,051.20/111,076.80 = 32,498.20/x
  3. Step 3: Cross multiply
    74,051.20x = 111,076.80 × 32,498.20
  4. Step 4: Simplify right side
    74,051.20x = 3,609,796,061.76
  5. Step 5: Solve for x
    x = 3,609,796,061.76/74,051.20
  6. Step 6: Final answer
    x = 48,747.30

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