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Finding the Fourth Proportional to 162,778.20, 244,240.20 and 57,672.60

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Solution

The fourth proportional to 162,778.20, 244,240.20 and 57,672.60 is: 86,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,778.20 : 244,240.20 = 57,672.60 : x
  2. Step 2: Convert to fraction form
    162,778.20/244,240.20 = 57,672.60/x
  3. Step 3: Cross multiply
    162,778.20x = 244,240.20 × 57,672.60
  4. Step 4: Simplify right side
    162,778.20x = 14,085,967,358.52
  5. Step 5: Solve for x
    x = 14,085,967,358.52/162,778.20
  6. Step 6: Final answer
    x = 86,534.73

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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.