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Finding the Fourth Proportional to 118,024.80, 177,037.20 and 94,696.80

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Solution

The fourth proportional to 118,024.80, 177,037.20 and 94,696.80 is: 142,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,024.80 : 177,037.20 = 94,696.80 : x
  2. Step 2: Convert to fraction form
    118,024.80/177,037.20 = 94,696.80/x
  3. Step 3: Cross multiply
    118,024.80x = 177,037.20 × 94,696.80
  4. Step 4: Simplify right side
    118,024.80x = 16,764,856,320.96
  5. Step 5: Solve for x
    x = 16,764,856,320.96/118,024.80
  6. Step 6: Final answer
    x = 142,045.20

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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.