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Finding the Fourth Proportional to 252,818.44, 379,250.34 and 65,831.56

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Solution

The fourth proportional to 252,818.44, 379,250.34 and 65,831.56 is: 98,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,818.44 : 379,250.34 = 65,831.56 : x
  2. Step 2: Convert to fraction form
    252,818.44/379,250.34 = 65,831.56/x
  3. Step 3: Cross multiply
    252,818.44x = 379,250.34 × 65,831.56
  4. Step 4: Simplify right side
    252,818.44x = 24,966,641,512.73
  5. Step 5: Solve for x
    x = 24,966,641,512.73/252,818.44
  6. Step 6: Final answer
    x = 98,753.25

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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.