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Finding the Fourth Proportional to 79,541.76, 119,312.64 and 32,793.42

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Solution

The fourth proportional to 79,541.76, 119,312.64 and 32,793.42 is: 49,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,541.76 : 119,312.64 = 32,793.42 : x
  2. Step 2: Convert to fraction form
    79,541.76/119,312.64 = 32,793.42/x
  3. Step 3: Cross multiply
    79,541.76x = 119,312.64 × 32,793.42
  4. Step 4: Simplify right side
    79,541.76x = 3,912,669,514.83
  5. Step 5: Solve for x
    x = 3,912,669,514.83/79,541.76
  6. Step 6: Final answer
    x = 49,190.13

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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.