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Finding the Fourth Proportional to 124,322.54, 171,565.12 and 67,733.92

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Solution

The fourth proportional to 124,322.54, 171,565.12 and 67,733.92 is: 93,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,322.54 : 171,565.12 = 67,733.92 : x
  2. Step 2: Convert to fraction form
    124,322.54/171,565.12 = 67,733.92/x
  3. Step 3: Cross multiply
    124,322.54x = 171,565.12 × 67,733.92
  4. Step 4: Simplify right side
    124,322.54x = 11,620,778,112.87
  5. Step 5: Solve for x
    x = 11,620,778,112.87/124,322.54
  6. Step 6: Final answer
    x = 93,472.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.