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Finding the Fourth Proportional to 124,465.92, 171,765.12 and 67,877.76

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Solution

The fourth proportional to 124,465.92, 171,765.12 and 67,877.76 is: 93,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,465.92 : 171,765.12 = 67,877.76 : x
  2. Step 2: Convert to fraction form
    124,465.92/171,765.12 = 67,877.76/x
  3. Step 3: Cross multiply
    124,465.92x = 171,765.12 × 67,877.76
  4. Step 4: Simplify right side
    124,465.92x = 11,659,031,591.73
  5. Step 5: Solve for x
    x = 11,659,031,591.73/124,465.92
  6. Step 6: Final answer
    x = 93,672.48

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1.5x scale

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.