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Finding the Fourth Proportional to 73,188.78, 101,072.28 and 62,516.22

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Solution

The fourth proportional to 73,188.78, 101,072.28 and 62,516.22 is: 86,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,188.78 : 101,072.28 = 62,516.22 : x
  2. Step 2: Convert to fraction form
    73,188.78/101,072.28 = 62,516.22/x
  3. Step 3: Cross multiply
    73,188.78x = 101,072.28 × 62,516.22
  4. Step 4: Simplify right side
    73,188.78x = 6,318,656,892.38
  5. Step 5: Solve for x
    x = 6,318,656,892.38/73,188.78
  6. Step 6: Final answer
    x = 86,333.68

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1.5x scale

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.