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Finding the Fourth Proportional to 144,375.71, 216,418.16 and 60,182.48

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Solution

The fourth proportional to 144,375.71, 216,418.16 and 60,182.48 is: 90,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,375.71 : 216,418.16 = 60,182.48 : x
  2. Step 2: Convert to fraction form
    144,375.71/216,418.16 = 60,182.48/x
  3. Step 3: Cross multiply
    144,375.71x = 216,418.16 × 60,182.48
  4. Step 4: Simplify right side
    144,375.71x = 13,024,580,202.83
  5. Step 5: Solve for x
    x = 13,024,580,202.83/144,375.71
  6. Step 6: Final answer
    x = 90,213.10

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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.