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Finding the Fourth Proportional to 150,097.52, 225,146.32 and 71,168.69

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Solution

The fourth proportional to 150,097.52, 225,146.32 and 71,168.69 is: 106,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,097.52 : 225,146.32 = 71,168.69 : x
  2. Step 2: Convert to fraction form
    150,097.52/225,146.32 = 71,168.69/x
  3. Step 3: Cross multiply
    150,097.52x = 225,146.32 × 71,168.69
  4. Step 4: Simplify right side
    150,097.52x = 16,023,369,037.66
  5. Step 5: Solve for x
    x = 16,023,369,037.66/150,097.52
  6. Step 6: Final answer
    x = 106,753.05

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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.