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Finding the Fourth Proportional to 144,046.80, 215,559.90 and 125,530.20

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Solution

The fourth proportional to 144,046.80, 215,559.90 and 125,530.20 is: 187,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,046.80 : 215,559.90 = 125,530.20 : x
  2. Step 2: Convert to fraction form
    144,046.80/215,559.90 = 125,530.20/x
  3. Step 3: Cross multiply
    144,046.80x = 215,559.90 × 125,530.20
  4. Step 4: Simplify right side
    144,046.80x = 27,059,277,358.98
  5. Step 5: Solve for x
    x = 27,059,277,358.98/144,046.80
  6. Step 6: Final answer
    x = 187,850.60

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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.