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Finding the Fourth Proportional to 122,082.59, 168,475.15 and 67,635.92

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Solution

The fourth proportional to 122,082.59, 168,475.15 and 67,635.92 is: 93,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,082.59 : 168,475.15 = 67,635.92 : x
  2. Step 2: Convert to fraction form
    122,082.59/168,475.15 = 67,635.92/x
  3. Step 3: Cross multiply
    122,082.59x = 168,475.15 × 67,635.92
  4. Step 4: Simplify right side
    122,082.59x = 11,394,971,111.01
  5. Step 5: Solve for x
    x = 11,394,971,111.01/122,082.59
  6. Step 6: Final answer
    x = 93,338.21

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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.