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Finding the Fourth Proportional to 62,813.30, 88,171.90 and 62,813.30

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Solution

The fourth proportional to 62,813.30, 88,171.90 and 62,813.30 is: 88,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813.30 : 88,171.90 = 62,813.30 : x
  2. Step 2: Convert to fraction form
    62,813.30/88,171.90 = 62,813.30/x
  3. Step 3: Cross multiply
    62,813.30x = 88,171.90 × 62,813.30
  4. Step 4: Simplify right side
    62,813.30x = 5,538,368,006.27
  5. Step 5: Solve for x
    x = 5,538,368,006.27/62,813.30
  6. Step 6: Final answer
    x = 88,171.90

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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.