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Finding the Fourth Proportional to 124,341.47, 171,591.32 and 67,752.84

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Solution

The fourth proportional to 124,341.47, 171,591.32 and 67,752.84 is: 93,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,341.47 : 171,591.32 = 67,752.84 : x
  2. Step 2: Convert to fraction form
    124,341.47/171,591.32 = 67,752.84/x
  3. Step 3: Cross multiply
    124,341.47x = 171,591.32 × 67,752.84
  4. Step 4: Simplify right side
    124,341.47x = 11,625,799,249.35
  5. Step 5: Solve for x
    x = 11,625,799,249.35/124,341.47
  6. Step 6: Final answer
    x = 93,498.97

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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.