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Finding the Fourth Proportional to 144,052.80, 215,568.90 and 125,536.20

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Solution

The fourth proportional to 144,052.80, 215,568.90 and 125,536.20 is: 187,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.80 : 215,568.90 = 125,536.20 : x
  2. Step 2: Convert to fraction form
    144,052.80/215,568.90 = 125,536.20/x
  3. Step 3: Cross multiply
    144,052.80x = 215,568.90 × 125,536.20
  4. Step 4: Simplify right side
    144,052.80x = 27,061,700,544.18
  5. Step 5: Solve for x
    x = 27,061,700,544.18/144,052.80
  6. Step 6: Final answer
    x = 187,859.59

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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.