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Finding the Fourth Proportional to 177,031.20, 265,719.60 and 88,384.80

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Solution

The fourth proportional to 177,031.20, 265,719.60 and 88,384.80 is: 132,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,031.20 : 265,719.60 = 88,384.80 : x
  2. Step 2: Convert to fraction form
    177,031.20/265,719.60 = 88,384.80/x
  3. Step 3: Cross multiply
    177,031.20x = 265,719.60 × 88,384.80
  4. Step 4: Simplify right side
    177,031.20x = 23,485,573,702.08
  5. Step 5: Solve for x
    x = 23,485,573,702.08/177,031.20
  6. Step 6: Final answer
    x = 132,663.47

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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.