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Finding the Fourth Proportional to 80,898, 121,347.04 and 22,530

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Solution

The fourth proportional to 80,898, 121,347.04 and 22,530 is: 33,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,898 : 121,347.04 = 22,530 : x
  2. Step 2: Convert to fraction form
    80,898/121,347.04 = 22,530/x
  3. Step 3: Cross multiply
    80,898x = 121,347.04 × 22,530
  4. Step 4: Simplify right side
    80,898x = 2,733,948,811.20
  5. Step 5: Solve for x
    x = 2,733,948,811.20/80,898
  6. Step 6: Final answer
    x = 33,795.01

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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.