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Finding the Fourth Proportional to 177,127.20, 265,863.60 and 88,480.80

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Solution

The fourth proportional to 177,127.20, 265,863.60 and 88,480.80 is: 132,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,127.20 : 265,863.60 = 88,480.80 : x
  2. Step 2: Convert to fraction form
    177,127.20/265,863.60 = 88,480.80/x
  3. Step 3: Cross multiply
    177,127.20x = 265,863.60 × 88,480.80
  4. Step 4: Simplify right side
    177,127.20x = 23,523,824,018.88
  5. Step 5: Solve for x
    x = 23,523,824,018.88/177,127.20
  6. Step 6: Final answer
    x = 132,807.52

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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.