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Finding the Fourth Proportional to 147,144.80, 220,719.23 and 41,963.75

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Solution

The fourth proportional to 147,144.80, 220,719.23 and 41,963.75 is: 62,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,144.80 : 220,719.23 = 41,963.75 : x
  2. Step 2: Convert to fraction form
    147,144.80/220,719.23 = 41,963.75/x
  3. Step 3: Cross multiply
    147,144.80x = 220,719.23 × 41,963.75
  4. Step 4: Simplify right side
    147,144.80x = 9,262,206,587.91
  5. Step 5: Solve for x
    x = 9,262,206,587.91/147,144.80
  6. Step 6: Final answer
    x = 62,946.20

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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.