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Finding the Fourth Proportional to 167,695.40, 251,834.70 and 88,963.40

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Solution

The fourth proportional to 167,695.40, 251,834.70 and 88,963.40 is: 133,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,695.40 : 251,834.70 = 88,963.40 : x
  2. Step 2: Convert to fraction form
    167,695.40/251,834.70 = 88,963.40/x
  3. Step 3: Cross multiply
    167,695.40x = 251,834.70 × 88,963.40
  4. Step 4: Simplify right side
    167,695.40x = 22,404,071,149.98
  5. Step 5: Solve for x
    x = 22,404,071,149.98/167,695.40
  6. Step 6: Final answer
    x = 133,599.80

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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.