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Finding the Fourth Proportional to 147,990.78, 204,227.68 and 94,264.28

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Solution

The fourth proportional to 147,990.78, 204,227.68 and 94,264.28 is: 130,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,990.78 : 204,227.68 = 94,264.28 : x
  2. Step 2: Convert to fraction form
    147,990.78/204,227.68 = 94,264.28/x
  3. Step 3: Cross multiply
    147,990.78x = 204,227.68 × 94,264.28
  4. Step 4: Simplify right side
    147,990.78x = 19,251,375,211.27
  5. Step 5: Solve for x
    x = 19,251,375,211.27/147,990.78
  6. Step 6: Final answer
    x = 130,084.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.