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Finding the Fourth Proportional to 92,171.82, 127,217.07 and 54,451.74

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Solution

The fourth proportional to 92,171.82, 127,217.07 and 54,451.74 is: 75,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,171.82 : 127,217.07 = 54,451.74 : x
  2. Step 2: Convert to fraction form
    92,171.82/127,217.07 = 54,451.74/x
  3. Step 3: Cross multiply
    92,171.82x = 127,217.07 × 54,451.74
  4. Step 4: Simplify right side
    92,171.82x = 6,927,190,819.20
  5. Step 5: Solve for x
    x = 6,927,190,819.20/92,171.82
  6. Step 6: Final answer
    x = 75,155.19

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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.