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Finding the Fourth Proportional to 177,347.20, 265,252.80 and 158,761.60

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Solution

The fourth proportional to 177,347.20, 265,252.80 and 158,761.60 is: 237,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,347.20 : 265,252.80 = 158,761.60 : x
  2. Step 2: Convert to fraction form
    177,347.20/265,252.80 = 158,761.60/x
  3. Step 3: Cross multiply
    177,347.20x = 265,252.80 × 158,761.60
  4. Step 4: Simplify right side
    177,347.20x = 42,111,958,932.48
  5. Step 5: Solve for x
    x = 42,111,958,932.48/177,347.20
  6. Step 6: Final answer
    x = 237,454.88

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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.