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Finding the Fourth Proportional to 104,691.74, 156,674.72 and 100,337.18

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Solution

The fourth proportional to 104,691.74, 156,674.72 and 100,337.18 is: 150,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,691.74 : 156,674.72 = 100,337.18 : x
  2. Step 2: Convert to fraction form
    104,691.74/156,674.72 = 100,337.18/x
  3. Step 3: Cross multiply
    104,691.74x = 156,674.72 × 100,337.18
  4. Step 4: Simplify right side
    104,691.74x = 15,720,299,582.09
  5. Step 5: Solve for x
    x = 15,720,299,582.09/104,691.74
  6. Step 6: Final answer
    x = 150,157.97

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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.