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Finding the Fourth Proportional to 168,752.97, 232,870.55 and 93,286.89

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Solution

The fourth proportional to 168,752.97, 232,870.55 and 93,286.89 is: 128,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,752.97 : 232,870.55 = 93,286.89 : x
  2. Step 2: Convert to fraction form
    168,752.97/232,870.55 = 93,286.89/x
  3. Step 3: Cross multiply
    168,752.97x = 232,870.55 × 93,286.89
  4. Step 4: Simplify right side
    168,752.97x = 21,723,768,915.66
  5. Step 5: Solve for x
    x = 21,723,768,915.66/168,752.97
  6. Step 6: Final answer
    x = 128,731.18

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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.