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Finding the Fourth Proportional to 132,734.40, 199,159.20 and 67,070.40

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Solution

The fourth proportional to 132,734.40, 199,159.20 and 67,070.40 is: 100,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,734.40 : 199,159.20 = 67,070.40 : x
  2. Step 2: Convert to fraction form
    132,734.40/199,159.20 = 67,070.40/x
  3. Step 3: Cross multiply
    132,734.40x = 199,159.20 × 67,070.40
  4. Step 4: Simplify right side
    132,734.40x = 13,357,687,207.68
  5. Step 5: Solve for x
    x = 13,357,687,207.68/132,734.40
  6. Step 6: Final answer
    x = 100,634.71

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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.