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Finding the Fourth Proportional to 167,171.66, 250,601.49 and 65,970.55

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Solution

The fourth proportional to 167,171.66, 250,601.49 and 65,970.55 is: 98,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,171.66 : 250,601.49 = 65,970.55 : x
  2. Step 2: Convert to fraction form
    167,171.66/250,601.49 = 65,970.55/x
  3. Step 3: Cross multiply
    167,171.66x = 250,601.49 × 65,970.55
  4. Step 4: Simplify right side
    167,171.66x = 16,532,318,184.25
  5. Step 5: Solve for x
    x = 16,532,318,184.25/167,171.66
  6. Step 6: Final answer
    x = 98,894.26

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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.