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Finding the Fourth Proportional to 104,679.68, 157,019.61 and 25,793.92

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Solution

The fourth proportional to 104,679.68, 157,019.61 and 25,793.92 is: 38,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,679.68 : 157,019.61 = 25,793.92 : x
  2. Step 2: Convert to fraction form
    104,679.68/157,019.61 = 25,793.92/x
  3. Step 3: Cross multiply
    104,679.68x = 157,019.61 × 25,793.92
  4. Step 4: Simplify right side
    104,679.68x = 4,050,150,344.70
  5. Step 5: Solve for x
    x = 4,050,150,344.70/104,679.68
  6. Step 6: Final answer
    x = 38,690.89

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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.