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Finding the Fourth Proportional to 124,169.43, 171,354.57 and 67,581.39

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Solution

The fourth proportional to 124,169.43, 171,354.57 and 67,581.39 is: 93,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169.43 : 171,354.57 = 67,581.39 : x
  2. Step 2: Convert to fraction form
    124,169.43/171,354.57 = 67,581.39/x
  3. Step 3: Cross multiply
    124,169.43x = 171,354.57 × 67,581.39
  4. Step 4: Simplify right side
    124,169.43x = 11,580,380,023.45
  5. Step 5: Solve for x
    x = 11,580,380,023.45/124,169.43
  6. Step 6: Final answer
    x = 93,262.73

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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.