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Finding the Fourth Proportional to 252,282.62, 378,535.71 and 133,925.42

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Solution

The fourth proportional to 252,282.62, 378,535.71 and 133,925.42 is: 200,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,282.62 : 378,535.71 = 133,925.42 : x
  2. Step 2: Convert to fraction form
    252,282.62/378,535.71 = 133,925.42/x
  3. Step 3: Cross multiply
    252,282.62x = 378,535.71 × 133,925.42
  4. Step 4: Simplify right side
    252,282.62x = 50,695,553,946.75
  5. Step 5: Solve for x
    x = 50,695,553,946.75/252,282.62
  6. Step 6: Final answer
    x = 200,947.47

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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.