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Finding the Fourth Proportional to 167,389.30, 250,850.67 and 125,787.70

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Solution

The fourth proportional to 167,389.30, 250,850.67 and 125,787.70 is: 188,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,389.30 : 250,850.67 = 125,787.70 : x
  2. Step 2: Convert to fraction form
    167,389.30/250,850.67 = 125,787.70/x
  3. Step 3: Cross multiply
    167,389.30x = 250,850.67 × 125,787.70
  4. Step 4: Simplify right side
    167,389.30x = 31,553,928,822.76
  5. Step 5: Solve for x
    x = 31,553,928,822.76/167,389.30
  6. Step 6: Final answer
    x = 188,506.25

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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.