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Finding the Fourth Proportional to 118,229.20, 177,343.80 and 94,901.20

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Solution

The fourth proportional to 118,229.20, 177,343.80 and 94,901.20 is: 142,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.20 : 177,343.80 = 94,901.20 : x
  2. Step 2: Convert to fraction form
    118,229.20/177,343.80 = 94,901.20/x
  3. Step 3: Cross multiply
    118,229.20x = 177,343.80 × 94,901.20
  4. Step 4: Simplify right side
    118,229.20x = 16,830,139,432.56
  5. Step 5: Solve for x
    x = 16,830,139,432.56/118,229.20
  6. Step 6: Final answer
    x = 142,351.80

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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.