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Finding the Fourth Proportional to 265,556.71, 398,374.35 and 88,024.56

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Solution

The fourth proportional to 265,556.71, 398,374.35 and 88,024.56 is: 132,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,556.71 : 398,374.35 = 88,024.56 : x
  2. Step 2: Convert to fraction form
    265,556.71/398,374.35 = 88,024.56/x
  3. Step 3: Cross multiply
    265,556.71x = 398,374.35 × 88,024.56
  4. Step 4: Simplify right side
    265,556.71x = 35,066,724,882.16
  5. Step 5: Solve for x
    x = 35,066,724,882.16/265,556.71
  6. Step 6: Final answer
    x = 132,049.85

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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.