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Finding the Fourth Proportional to 272,851.59, 409,177.59 and 104,288.57

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Solution

The fourth proportional to 272,851.59, 409,177.59 and 104,288.57 is: 156,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,851.59 : 409,177.59 = 104,288.57 : x
  2. Step 2: Convert to fraction form
    272,851.59/409,177.59 = 104,288.57/x
  3. Step 3: Cross multiply
    272,851.59x = 409,177.59 × 104,288.57
  4. Step 4: Simplify right side
    272,851.59x = 42,672,543,691.26
  5. Step 5: Solve for x
    x = 42,672,543,691.26/272,851.59
  6. Step 6: Final answer
    x = 156,394.70

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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.