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Finding the Fourth Proportional to 177,620.80, 267,087.30 and 148,752.40

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Solution

The fourth proportional to 177,620.80, 267,087.30 and 148,752.40 is: 223,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620.80 : 267,087.30 = 148,752.40 : x
  2. Step 2: Convert to fraction form
    177,620.80/267,087.30 = 148,752.40/x
  3. Step 3: Cross multiply
    177,620.80x = 267,087.30 × 148,752.40
  4. Step 4: Simplify right side
    177,620.80x = 39,729,876,884.52
  5. Step 5: Solve for x
    x = 39,729,876,884.52/177,620.80
  6. Step 6: Final answer
    x = 223,678.07

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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.