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Finding the Fourth Proportional to 62,815.30, 88,174.70 and 62,815.30

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Solution

The fourth proportional to 62,815.30, 88,174.70 and 62,815.30 is: 88,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,815.30 : 88,174.70 = 62,815.30 : x
  2. Step 2: Convert to fraction form
    62,815.30/88,174.70 = 62,815.30/x
  3. Step 3: Cross multiply
    62,815.30x = 88,174.70 × 62,815.30
  4. Step 4: Simplify right side
    62,815.30x = 5,538,720,232.91
  5. Step 5: Solve for x
    x = 5,538,720,232.91/62,815.30
  6. Step 6: Final answer
    x = 88,174.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.