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Finding the Fourth Proportional to 177,140.20, 265,883.10 and 88,493.80

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Solution

The fourth proportional to 177,140.20, 265,883.10 and 88,493.80 is: 132,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,140.20 : 265,883.10 = 88,493.80 : x
  2. Step 2: Convert to fraction form
    177,140.20/265,883.10 = 88,493.80/x
  3. Step 3: Cross multiply
    177,140.20x = 265,883.10 × 88,493.80
  4. Step 4: Simplify right side
    177,140.20x = 23,529,005,874.78
  5. Step 5: Solve for x
    x = 23,529,005,874.78/177,140.20
  6. Step 6: Final answer
    x = 132,827.03

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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.