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Finding the Fourth Proportional to 124,123.92, 171,290.85 and 67,534.92

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Solution

The fourth proportional to 124,123.92, 171,290.85 and 67,534.92 is: 93,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,123.92 : 171,290.85 = 67,534.92 : x
  2. Step 2: Convert to fraction form
    124,123.92/171,290.85 = 67,534.92/x
  3. Step 3: Cross multiply
    124,123.92x = 171,290.85 × 67,534.92
  4. Step 4: Simplify right side
    124,123.92x = 11,568,113,851.48
  5. Step 5: Solve for x
    x = 11,568,113,851.48/124,123.92
  6. Step 6: Final answer
    x = 93,198.10

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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.