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Finding the Fourth Proportional to 168,043.10, 231,915.82 and 125,527.82

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Solution

The fourth proportional to 168,043.10, 231,915.82 and 125,527.82 is: 173,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,043.10 : 231,915.82 = 125,527.82 : x
  2. Step 2: Convert to fraction form
    168,043.10/231,915.82 = 125,527.82/x
  3. Step 3: Cross multiply
    168,043.10x = 231,915.82 × 125,527.82
  4. Step 4: Simplify right side
    168,043.10x = 29,111,887,308.11
  5. Step 5: Solve for x
    x = 29,111,887,308.11/168,043.10
  6. Step 6: Final answer
    x = 173,240.60

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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.