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Finding the Fourth Proportional to 92,349.28, 138,531.20 and 29,174.28

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Solution

The fourth proportional to 92,349.28, 138,531.20 and 29,174.28 is: 43,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,349.28 : 138,531.20 = 29,174.28 : x
  2. Step 2: Convert to fraction form
    92,349.28/138,531.20 = 29,174.28/x
  3. Step 3: Cross multiply
    92,349.28x = 138,531.20 × 29,174.28
  4. Step 4: Simplify right side
    92,349.28x = 4,041,548,017.54
  5. Step 5: Solve for x
    x = 4,041,548,017.54/92,349.28
  6. Step 6: Final answer
    x = 43,763.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.