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Finding the Fourth Proportional to 83,693.70, 125,562.42 and 48,603.24

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Solution

The fourth proportional to 83,693.70, 125,562.42 and 48,603.24 is: 72,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,693.70 : 125,562.42 = 48,603.24 : x
  2. Step 2: Convert to fraction form
    83,693.70/125,562.42 = 48,603.24/x
  3. Step 3: Cross multiply
    83,693.70x = 125,562.42 × 48,603.24
  4. Step 4: Simplify right side
    83,693.70x = 6,102,740,434.24
  5. Step 5: Solve for x
    x = 6,102,740,434.24/83,693.70
  6. Step 6: Final answer
    x = 72,917.56

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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.