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Finding the Fourth Proportional to 62,171.52, 93,179.52 and 31,015.68

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Solution

The fourth proportional to 62,171.52, 93,179.52 and 31,015.68 is: 46,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,171.52 : 93,179.52 = 31,015.68 : x
  2. Step 2: Convert to fraction form
    62,171.52/93,179.52 = 31,015.68/x
  3. Step 3: Cross multiply
    62,171.52x = 93,179.52 × 31,015.68
  4. Step 4: Simplify right side
    62,171.52x = 2,890,026,174.87
  5. Step 5: Solve for x
    x = 2,890,026,174.87/62,171.52
  6. Step 6: Final answer
    x = 46,484.73

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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.