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Finding the Fourth Proportional to 118,000.60, 177,101.70 and 47,930.20

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Solution

The fourth proportional to 118,000.60, 177,101.70 and 47,930.20 is: 71,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,000.60 : 177,101.70 = 47,930.20 : x
  2. Step 2: Convert to fraction form
    118,000.60/177,101.70 = 47,930.20/x
  3. Step 3: Cross multiply
    118,000.60x = 177,101.70 × 47,930.20
  4. Step 4: Simplify right side
    118,000.60x = 8,488,519,901.34
  5. Step 5: Solve for x
    x = 8,488,519,901.34/118,000.60
  6. Step 6: Final answer
    x = 71,936.24

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1.5x scale

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.