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Finding the Fourth Proportional to 74,473.38, 102,877.70 and 67,747.14

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Solution

The fourth proportional to 74,473.38, 102,877.70 and 67,747.14 is: 93,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473.38 : 102,877.70 = 67,747.14 : x
  2. Step 2: Convert to fraction form
    74,473.38/102,877.70 = 67,747.14/x
  3. Step 3: Cross multiply
    74,473.38x = 102,877.70 × 67,747.14
  4. Step 4: Simplify right side
    74,473.38x = 6,969,669,606.04
  5. Step 5: Solve for x
    x = 6,969,669,606.04/74,473.38
  6. Step 6: Final answer
    x = 93,586.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.