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Finding the Fourth Proportional to 126,593.62, 174,692.13 and 69,221.55

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Solution

The fourth proportional to 126,593.62, 174,692.13 and 69,221.55 is: 95,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,593.62 : 174,692.13 = 69,221.55 : x
  2. Step 2: Convert to fraction form
    126,593.62/174,692.13 = 69,221.55/x
  3. Step 3: Cross multiply
    126,593.62x = 174,692.13 × 69,221.55
  4. Step 4: Simplify right side
    126,593.62x = 12,092,459,961.96
  5. Step 5: Solve for x
    x = 12,092,459,961.96/126,593.62
  6. Step 6: Final answer
    x = 95,521.87

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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.