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Finding the Fourth Proportional to 118,586.60, 177,591.90 and 63,060.20

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Solution

The fourth proportional to 118,586.60, 177,591.90 and 63,060.20 is: 94,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,586.60 : 177,591.90 = 63,060.20 : x
  2. Step 2: Convert to fraction form
    118,586.60/177,591.90 = 63,060.20/x
  3. Step 3: Cross multiply
    118,586.60x = 177,591.90 × 63,060.20
  4. Step 4: Simplify right side
    118,586.60x = 11,198,980,732.38
  5. Step 5: Solve for x
    x = 11,198,980,732.38/118,586.60
  6. Step 6: Final answer
    x = 94,437.15

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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.