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Finding the Fourth Proportional to 80,802, 121,202.66 and 24,641.94

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Solution

The fourth proportional to 80,802, 121,202.66 and 24,641.94 is: 36,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,802 : 121,202.66 = 24,641.94 : x
  2. Step 2: Convert to fraction form
    80,802/121,202.66 = 24,641.94/x
  3. Step 3: Cross multiply
    80,802x = 121,202.66 × 24,641.94
  4. Step 4: Simplify right side
    80,802x = 2,986,668,675.56
  5. Step 5: Solve for x
    x = 2,986,668,675.56/80,802
  6. Step 6: Final answer
    x = 36,962.81

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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.