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Finding the Fourth Proportional to 503,943.87, 755,906.48 and 124,865.52

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Solution

The fourth proportional to 503,943.87, 755,906.48 and 124,865.52 is: 187,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,943.87 : 755,906.48 = 124,865.52 : x
  2. Step 2: Convert to fraction form
    503,943.87/755,906.48 = 124,865.52/x
  3. Step 3: Cross multiply
    503,943.87x = 755,906.48 × 124,865.52
  4. Step 4: Simplify right side
    503,943.87x = 94,386,655,696.57
  5. Step 5: Solve for x
    x = 94,386,655,696.57/503,943.87
  6. Step 6: Final answer
    x = 187,295.97

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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.