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Finding the Fourth Proportional to 250,757.81, 376,197.49 and 144,209.96

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Solution

The fourth proportional to 250,757.81, 376,197.49 and 144,209.96 is: 216,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,757.81 : 376,197.49 = 144,209.96 : x
  2. Step 2: Convert to fraction form
    250,757.81/376,197.49 = 144,209.96/x
  3. Step 3: Cross multiply
    250,757.81x = 376,197.49 × 144,209.96
  4. Step 4: Simplify right side
    250,757.81x = 54,251,426,105.76
  5. Step 5: Solve for x
    x = 54,251,426,105.76/250,757.81
  6. Step 6: Final answer
    x = 216,349.89

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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.