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Finding the Fourth Proportional to 266,627.25, 400,088.49 and 159,748.56

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Solution

The fourth proportional to 266,627.25, 400,088.49 and 159,748.56 is: 239,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,627.25 : 400,088.49 = 159,748.56 : x
  2. Step 2: Convert to fraction form
    266,627.25/400,088.49 = 159,748.56/x
  3. Step 3: Cross multiply
    266,627.25x = 400,088.49 × 159,748.56
  4. Step 4: Simplify right side
    266,627.25x = 63,913,560,150.07
  5. Step 5: Solve for x
    x = 63,913,560,150.07/266,627.25
  6. Step 6: Final answer
    x = 239,711.28

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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.