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Finding the Fourth Proportional to 119,849.18, 179,715.42 and 63,716.18

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Solution

The fourth proportional to 119,849.18, 179,715.42 and 63,716.18 is: 95,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,849.18 : 179,715.42 = 63,716.18 : x
  2. Step 2: Convert to fraction form
    119,849.18/179,715.42 = 63,716.18/x
  3. Step 3: Cross multiply
    119,849.18x = 179,715.42 × 63,716.18
  4. Step 4: Simplify right side
    119,849.18x = 11,450,780,049.50
  5. Step 5: Solve for x
    x = 11,450,780,049.50/119,849.18
  6. Step 6: Final answer
    x = 95,543.25

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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.