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Finding the Fourth Proportional to 177,278.40, 265,695.84 and 88,556.76

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Solution

The fourth proportional to 177,278.40, 265,695.84 and 88,556.76 is: 132,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,278.40 : 265,695.84 = 88,556.76 : x
  2. Step 2: Convert to fraction form
    177,278.40/265,695.84 = 88,556.76/x
  3. Step 3: Cross multiply
    177,278.40x = 265,695.84 × 88,556.76
  4. Step 4: Simplify right side
    177,278.40x = 23,529,162,735.88
  5. Step 5: Solve for x
    x = 23,529,162,735.88/177,278.40
  6. Step 6: Final answer
    x = 132,724.36

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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.