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Finding the Fourth Proportional to 60,061.20, 89,962.20 and 49,693.20

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Solution

The fourth proportional to 60,061.20, 89,962.20 and 49,693.20 is: 74,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,061.20 : 89,962.20 = 49,693.20 : x
  2. Step 2: Convert to fraction form
    60,061.20/89,962.20 = 49,693.20/x
  3. Step 3: Cross multiply
    60,061.20x = 89,962.20 × 49,693.20
  4. Step 4: Simplify right side
    60,061.20x = 4,470,509,597.04
  5. Step 5: Solve for x
    x = 4,470,509,597.04/60,061.20
  6. Step 6: Final answer
    x = 74,432.57

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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.