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Finding the Fourth Proportional to 60,472, 90,620.48 and 34,121.04

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Solution

The fourth proportional to 60,472, 90,620.48 and 34,121.04 is: 51,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,472 : 90,620.48 = 34,121.04 : x
  2. Step 2: Convert to fraction form
    60,472/90,620.48 = 34,121.04/x
  3. Step 3: Cross multiply
    60,472x = 90,620.48 × 34,121.04
  4. Step 4: Simplify right side
    60,472x = 3,092,065,022.90
  5. Step 5: Solve for x
    x = 3,092,065,022.90/60,472
  6. Step 6: Final answer
    x = 51,132.18

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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.