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Finding the Fourth Proportional to 80,098.56, 120,150.72 and 35,726.40

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Solution

The fourth proportional to 80,098.56, 120,150.72 and 35,726.40 is: 53,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,098.56 : 120,150.72 = 35,726.40 : x
  2. Step 2: Convert to fraction form
    80,098.56/120,150.72 = 35,726.40/x
  3. Step 3: Cross multiply
    80,098.56x = 120,150.72 × 35,726.40
  4. Step 4: Simplify right side
    80,098.56x = 4,292,552,683.01
  5. Step 5: Solve for x
    x = 4,292,552,683.01/80,098.56
  6. Step 6: Final answer
    x = 53,590.88

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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.