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Finding the Fourth Proportional to 167,053.70, 250,240.35 and 103,679.30

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Solution

The fourth proportional to 167,053.70, 250,240.35 and 103,679.30 is: 155,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,053.70 : 250,240.35 = 103,679.30 : x
  2. Step 2: Convert to fraction form
    167,053.70/250,240.35 = 103,679.30/x
  3. Step 3: Cross multiply
    167,053.70x = 250,240.35 × 103,679.30
  4. Step 4: Simplify right side
    167,053.70x = 25,944,744,319.76
  5. Step 5: Solve for x
    x = 25,944,744,319.76/167,053.70
  6. Step 6: Final answer
    x = 155,307.81

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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.