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Finding the Fourth Proportional to 170,049.80, 254,469.90 and 148,104.20

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Solution

The fourth proportional to 170,049.80, 254,469.90 and 148,104.20 is: 221,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,049.80 : 254,469.90 = 148,104.20 : x
  2. Step 2: Convert to fraction form
    170,049.80/254,469.90 = 148,104.20/x
  3. Step 3: Cross multiply
    170,049.80x = 254,469.90 × 148,104.20
  4. Step 4: Simplify right side
    170,049.80x = 37,688,060,963.58
  5. Step 5: Solve for x
    x = 37,688,060,963.58/170,049.80
  6. Step 6: Final answer
    x = 221,629.55

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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.