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Finding the Fourth Proportional to 177,138.92, 265,650.60 and 58,778.48

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Solution

The fourth proportional to 177,138.92, 265,650.60 and 58,778.48 is: 88,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,138.92 : 265,650.60 = 58,778.48 : x
  2. Step 2: Convert to fraction form
    177,138.92/265,650.60 = 58,778.48/x
  3. Step 3: Cross multiply
    177,138.92x = 265,650.60 × 58,778.48
  4. Step 4: Simplify right side
    177,138.92x = 15,614,538,479.09
  5. Step 5: Solve for x
    x = 15,614,538,479.09/177,138.92
  6. Step 6: Final answer
    x = 88,148.55

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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.