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Finding the Fourth Proportional to 167,121.71, 250,841.72 and 103,750.03

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Solution

The fourth proportional to 167,121.71, 250,841.72 and 103,750.03 is: 155,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,121.71 : 250,841.72 = 103,750.03 : x
  2. Step 2: Convert to fraction form
    167,121.71/250,841.72 = 103,750.03/x
  3. Step 3: Cross multiply
    167,121.71x = 250,841.72 × 103,750.03
  4. Step 4: Simplify right side
    167,121.71x = 26,024,835,975.25
  5. Step 5: Solve for x
    x = 26,024,835,975.25/167,121.71
  6. Step 6: Final answer
    x = 155,723.85

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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.