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Finding the Fourth Proportional to 220,132.65, 330,198.98 and 114,927.15

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Solution

The fourth proportional to 220,132.65, 330,198.98 and 114,927.15 is: 172,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,132.65 : 330,198.98 = 114,927.15 : x
  2. Step 2: Convert to fraction form
    220,132.65/330,198.98 = 114,927.15/x
  3. Step 3: Cross multiply
    220,132.65x = 330,198.98 × 114,927.15
  4. Step 4: Simplify right side
    220,132.65x = 37,948,827,129.67
  5. Step 5: Solve for x
    x = 37,948,827,129.67/220,132.65
  6. Step 6: Final answer
    x = 172,390.73

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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.