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Finding the Fourth Proportional to 98,691.65, 148,036.11 and 23,811.17

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Solution

The fourth proportional to 98,691.65, 148,036.11 and 23,811.17 is: 35,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,691.65 : 148,036.11 = 23,811.17 : x
  2. Step 2: Convert to fraction form
    98,691.65/148,036.11 = 23,811.17/x
  3. Step 3: Cross multiply
    98,691.65x = 148,036.11 × 23,811.17
  4. Step 4: Simplify right side
    98,691.65x = 3,524,912,981.35
  5. Step 5: Solve for x
    x = 3,524,912,981.35/98,691.65
  6. Step 6: Final answer
    x = 35,716.43

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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.