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Finding the Fourth Proportional to 107,086.80, 160,630.20 and 65,614.80

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Solution

The fourth proportional to 107,086.80, 160,630.20 and 65,614.80 is: 98,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,086.80 : 160,630.20 = 65,614.80 : x
  2. Step 2: Convert to fraction form
    107,086.80/160,630.20 = 65,614.80/x
  3. Step 3: Cross multiply
    107,086.80x = 160,630.20 × 65,614.80
  4. Step 4: Simplify right side
    107,086.80x = 10,539,718,446.96
  5. Step 5: Solve for x
    x = 10,539,718,446.96/107,086.80
  6. Step 6: Final answer
    x = 98,422.20

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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.