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Finding the Fourth Proportional to 104,391.92, 156,587.85 and 37,831.93

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Solution

The fourth proportional to 104,391.92, 156,587.85 and 37,831.93 is: 56,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,391.92 : 156,587.85 = 37,831.93 : x
  2. Step 2: Convert to fraction form
    104,391.92/156,587.85 = 37,831.93/x
  3. Step 3: Cross multiply
    104,391.92x = 156,587.85 × 37,831.93
  4. Step 4: Simplify right side
    104,391.92x = 5,924,020,188.58
  5. Step 5: Solve for x
    x = 5,924,020,188.58/104,391.92
  6. Step 6: Final answer
    x = 56,747.88

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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.