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Finding the Fourth Proportional to 66,432.91, 99,226.01 and 60,098.08

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Solution

The fourth proportional to 66,432.91, 99,226.01 and 60,098.08 is: 89,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432.91 : 99,226.01 = 60,098.08 : x
  2. Step 2: Convert to fraction form
    66,432.91/99,226.01 = 60,098.08/x
  3. Step 3: Cross multiply
    66,432.91x = 99,226.01 × 60,098.08
  4. Step 4: Simplify right side
    66,432.91x = 5,963,292,687.06
  5. Step 5: Solve for x
    x = 5,963,292,687.06/66,432.91
  6. Step 6: Final answer
    x = 89,764.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.