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Finding the Fourth Proportional to 167,880.40, 231,672.15 and 96,256.15

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Solution

The fourth proportional to 167,880.40, 231,672.15 and 96,256.15 is: 132,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,880.40 : 231,672.15 = 96,256.15 : x
  2. Step 2: Convert to fraction form
    167,880.40/231,672.15 = 96,256.15/x
  3. Step 3: Cross multiply
    167,880.40x = 231,672.15 × 96,256.15
  4. Step 4: Simplify right side
    167,880.40x = 22,299,868,642.04
  5. Step 5: Solve for x
    x = 22,299,868,642.04/167,880.40
  6. Step 6: Final answer
    x = 132,831.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.