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Finding the Fourth Proportional to 79,470.63, 119,212.10 and 22,543.57

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Solution

The fourth proportional to 79,470.63, 119,212.10 and 22,543.57 is: 33,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.63 : 119,212.10 = 22,543.57 : x
  2. Step 2: Convert to fraction form
    79,470.63/119,212.10 = 22,543.57/x
  3. Step 3: Cross multiply
    79,470.63x = 119,212.10 × 22,543.57
  4. Step 4: Simplify right side
    79,470.63x = 2,687,466,777.32
  5. Step 5: Solve for x
    x = 2,687,466,777.32/79,470.63
  6. Step 6: Final answer
    x = 33,817.11

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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.