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Finding the Fourth Proportional to 186,049.88, 256,752.06 and 101,167.46

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Solution

The fourth proportional to 186,049.88, 256,752.06 and 101,167.46 is: 139,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,049.88 : 256,752.06 = 101,167.46 : x
  2. Step 2: Convert to fraction form
    186,049.88/256,752.06 = 101,167.46/x
  3. Step 3: Cross multiply
    186,049.88x = 256,752.06 × 101,167.46
  4. Step 4: Simplify right side
    186,049.88x = 25,974,953,759.97
  5. Step 5: Solve for x
    x = 25,974,953,759.97/186,049.88
  6. Step 6: Final answer
    x = 139,612.85

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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.