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Finding the Fourth Proportional to 124,357.92, 171,613.68 and 67,769.12

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Solution

The fourth proportional to 124,357.92, 171,613.68 and 67,769.12 is: 93,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,357.92 : 171,613.68 = 67,769.12 : x
  2. Step 2: Convert to fraction form
    124,357.92/171,613.68 = 67,769.12/x
  3. Step 3: Cross multiply
    124,357.92x = 171,613.68 × 67,769.12
  4. Step 4: Simplify right side
    124,357.92x = 11,630,108,073.56
  5. Step 5: Solve for x
    x = 11,630,108,073.56/124,357.92
  6. Step 6: Final answer
    x = 93,521.25

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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.