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Finding the Fourth Proportional to 168,831.54, 252,818.66 and 101,321.08

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Solution

The fourth proportional to 168,831.54, 252,818.66 and 101,321.08 is: 151,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,831.54 : 252,818.66 = 101,321.08 : x
  2. Step 2: Convert to fraction form
    168,831.54/252,818.66 = 101,321.08/x
  3. Step 3: Cross multiply
    168,831.54x = 252,818.66 × 101,321.08
  4. Step 4: Simplify right side
    168,831.54x = 25,615,858,411.26
  5. Step 5: Solve for x
    x = 25,615,858,411.26/168,831.54
  6. Step 6: Final answer
    x = 151,724.37

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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.