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Finding the Fourth Proportional to 144,843.40, 217,254.30 and 60,581.80

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Solution

The fourth proportional to 144,843.40, 217,254.30 and 60,581.80 is: 90,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,843.40 : 217,254.30 = 60,581.80 : x
  2. Step 2: Convert to fraction form
    144,843.40/217,254.30 = 60,581.80/x
  3. Step 3: Cross multiply
    144,843.40x = 217,254.30 × 60,581.80
  4. Step 4: Simplify right side
    144,843.40x = 13,161,656,551.74
  5. Step 5: Solve for x
    x = 13,161,656,551.74/144,843.40
  6. Step 6: Final answer
    x = 90,868.18

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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.