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Finding the Fourth Proportional to 133,437.52, 200,124.84 and 49,151.92

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Solution

The fourth proportional to 133,437.52, 200,124.84 and 49,151.92 is: 73,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,437.52 : 200,124.84 = 49,151.92 : x
  2. Step 2: Convert to fraction form
    133,437.52/200,124.84 = 49,151.92/x
  3. Step 3: Cross multiply
    133,437.52x = 200,124.84 × 49,151.92
  4. Step 4: Simplify right side
    133,437.52x = 9,836,520,125.69
  5. Step 5: Solve for x
    x = 9,836,520,125.69/133,437.52
  6. Step 6: Final answer
    x = 73,716.30

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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.