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Finding the Fourth Proportional to 78,586.38, 108,451.98 and 44,595

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Solution

The fourth proportional to 78,586.38, 108,451.98 and 44,595 is: 61,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,586.38 : 108,451.98 = 44,595 : x
  2. Step 2: Convert to fraction form
    78,586.38/108,451.98 = 44,595/x
  3. Step 3: Cross multiply
    78,586.38x = 108,451.98 × 44,595
  4. Step 4: Simplify right side
    78,586.38x = 4,836,416,048.10
  5. Step 5: Solve for x
    x = 4,836,416,048.10/78,586.38
  6. Step 6: Final answer
    x = 61,542.68

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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.