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Finding the Fourth Proportional to 146,098.80, 219,148.20 and 137,350.80

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Solution

The fourth proportional to 146,098.80, 219,148.20 and 137,350.80 is: 206,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,098.80 : 219,148.20 = 137,350.80 : x
  2. Step 2: Convert to fraction form
    146,098.80/219,148.20 = 137,350.80/x
  3. Step 3: Cross multiply
    146,098.80x = 219,148.20 × 137,350.80
  4. Step 4: Simplify right side
    146,098.80x = 30,100,180,588.56
  5. Step 5: Solve for x
    x = 30,100,180,588.56/146,098.80
  6. Step 6: Final answer
    x = 206,026.20

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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.