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Finding the Fourth Proportional to 167,810.20, 251,909.70 and 101,325.40

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Solution

The fourth proportional to 167,810.20, 251,909.70 and 101,325.40 is: 152,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,810.20 : 251,909.70 = 101,325.40 : x
  2. Step 2: Convert to fraction form
    167,810.20/251,909.70 = 101,325.40/x
  3. Step 3: Cross multiply
    167,810.20x = 251,909.70 × 101,325.40
  4. Step 4: Simplify right side
    167,810.20x = 25,524,851,116.38
  5. Step 5: Solve for x
    x = 25,524,851,116.38/167,810.20
  6. Step 6: Final answer
    x = 152,105.48

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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.