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Finding the Fourth Proportional to 80,809.65, 111,521.31 and 44,998.91

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Solution

The fourth proportional to 80,809.65, 111,521.31 and 44,998.91 is: 62,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,809.65 : 111,521.31 = 44,998.91 : x
  2. Step 2: Convert to fraction form
    80,809.65/111,521.31 = 44,998.91/x
  3. Step 3: Cross multiply
    80,809.65x = 111,521.31 × 44,998.91
  4. Step 4: Simplify right side
    80,809.65x = 5,018,337,083.62
  5. Step 5: Solve for x
    x = 5,018,337,083.62/80,809.65
  6. Step 6: Final answer
    x = 62,100.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.