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Finding the Fourth Proportional to 147,138.80, 220,710.23 and 41,957.75

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Solution

The fourth proportional to 147,138.80, 220,710.23 and 41,957.75 is: 62,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,138.80 : 220,710.23 = 41,957.75 : x
  2. Step 2: Convert to fraction form
    147,138.80/220,710.23 = 41,957.75/x
  3. Step 3: Cross multiply
    147,138.80x = 220,710.23 × 41,957.75
  4. Step 4: Simplify right side
    147,138.80x = 9,260,503,339.44
  5. Step 5: Solve for x
    x = 9,260,503,339.44/147,138.80
  6. Step 6: Final answer
    x = 62,937.20

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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.