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Finding the Fourth Proportional to 73,067.10, 109,600.65 and 70,532.70

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Solution

The fourth proportional to 73,067.10, 109,600.65 and 70,532.70 is: 105,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.10 : 109,600.65 = 70,532.70 : x
  2. Step 2: Convert to fraction form
    73,067.10/109,600.65 = 70,532.70/x
  3. Step 3: Cross multiply
    73,067.10x = 109,600.65 × 70,532.70
  4. Step 4: Simplify right side
    73,067.10x = 7,730,429,766.26
  5. Step 5: Solve for x
    x = 7,730,429,766.26/73,067.10
  6. Step 6: Final answer
    x = 105,799.05

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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.