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Finding the Fourth Proportional to 111,634.00, 168,195.66 and 100,972.68

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Solution

The fourth proportional to 111,634.00, 168,195.66 and 100,972.68 is: 152,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,634.00 : 168,195.66 = 100,972.68 : x
  2. Step 2: Convert to fraction form
    111,634.00/168,195.66 = 100,972.68/x
  3. Step 3: Cross multiply
    111,634.00x = 168,195.66 × 100,972.68
  4. Step 4: Simplify right side
    111,634.00x = 16,983,165,545.19
  5. Step 5: Solve for x
    x = 16,983,165,545.19/111,634.00
  6. Step 6: Final answer
    x = 152,132.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.