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Finding the Fourth Proportional to 491,251.02, 736,876.46 and 136,265.06

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Solution

The fourth proportional to 491,251.02, 736,876.46 and 136,265.06 is: 204,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,251.02 : 736,876.46 = 136,265.06 : x
  2. Step 2: Convert to fraction form
    491,251.02/736,876.46 = 136,265.06/x
  3. Step 3: Cross multiply
    491,251.02x = 736,876.46 × 136,265.06
  4. Step 4: Simplify right side
    491,251.02x = 100,410,515,034.49
  5. Step 5: Solve for x
    x = 100,410,515,034.49/491,251.02
  6. Step 6: Final answer
    x = 204,397.57

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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.