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Finding the Fourth Proportional to 186,049.13, 256,747.79 and 101,166.80

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Solution

The fourth proportional to 186,049.13, 256,747.79 and 101,166.80 is: 139,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,049.13 : 256,747.79 = 101,166.80 : x
  2. Step 2: Convert to fraction form
    186,049.13/256,747.79 = 101,166.80/x
  3. Step 3: Cross multiply
    186,049.13x = 256,747.79 × 101,166.80
  4. Step 4: Simplify right side
    186,049.13x = 25,974,351,290.55
  5. Step 5: Solve for x
    x = 25,974,351,290.55/186,049.13
  6. Step 6: Final answer
    x = 139,610.18

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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.