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Finding the Fourth Proportional to 118,324.29, 176,947.38 and 88,359.57

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Solution

The fourth proportional to 118,324.29, 176,947.38 and 88,359.57 is: 132,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,324.29 : 176,947.38 = 88,359.57 : x
  2. Step 2: Convert to fraction form
    118,324.29/176,947.38 = 88,359.57/x
  3. Step 3: Cross multiply
    118,324.29x = 176,947.38 × 88,359.57
  4. Step 4: Simplify right side
    118,324.29x = 15,634,994,409.43
  5. Step 5: Solve for x
    x = 15,634,994,409.43/118,324.29
  6. Step 6: Final answer
    x = 132,136.81

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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.