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Finding the Fourth Proportional to 118,548.60, 177,534.90 and 63,022.20

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Solution

The fourth proportional to 118,548.60, 177,534.90 and 63,022.20 is: 94,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.60 : 177,534.90 = 63,022.20 : x
  2. Step 2: Convert to fraction form
    118,548.60/177,534.90 = 63,022.20/x
  3. Step 3: Cross multiply
    118,548.60x = 177,534.90 × 63,022.20
  4. Step 4: Simplify right side
    118,548.60x = 11,188,639,974.78
  5. Step 5: Solve for x
    x = 11,188,639,974.78/118,548.60
  6. Step 6: Final answer
    x = 94,380.19

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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.