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Finding the Fourth Proportional to 98,397.38, 147,471.47 and 62,844.96

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Solution

The fourth proportional to 98,397.38, 147,471.47 and 62,844.96 is: 94,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,397.38 : 147,471.47 = 62,844.96 : x
  2. Step 2: Convert to fraction form
    98,397.38/147,471.47 = 62,844.96/x
  3. Step 3: Cross multiply
    98,397.38x = 147,471.47 × 62,844.96
  4. Step 4: Simplify right side
    98,397.38x = 9,267,839,107.75
  5. Step 5: Solve for x
    x = 9,267,839,107.75/98,397.38
  6. Step 6: Final answer
    x = 94,187.86

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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.