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Finding the Fourth Proportional to 265,556.46, 398,373.98 and 88,024.31

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Solution

The fourth proportional to 265,556.46, 398,373.98 and 88,024.31 is: 132,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,556.46 : 398,373.98 = 88,024.31 : x
  2. Step 2: Convert to fraction form
    265,556.46/398,373.98 = 88,024.31/x
  3. Step 3: Cross multiply
    265,556.46x = 398,373.98 × 88,024.31
  4. Step 4: Simplify right side
    265,556.46x = 35,066,594,711.45
  5. Step 5: Solve for x
    x = 35,066,594,711.45/265,556.46
  6. Step 6: Final answer
    x = 132,049.49

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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.