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Finding the Fourth Proportional to 167,302.70, 251,148.45 and 100,817.90

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Solution

The fourth proportional to 167,302.70, 251,148.45 and 100,817.90 is: 151,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,302.70 : 251,148.45 = 100,817.90 : x
  2. Step 2: Convert to fraction form
    167,302.70/251,148.45 = 100,817.90/x
  3. Step 3: Cross multiply
    167,302.70x = 251,148.45 × 100,817.90
  4. Step 4: Simplify right side
    167,302.70x = 25,320,259,317.26
  5. Step 5: Solve for x
    x = 25,320,259,317.26/167,302.70
  6. Step 6: Final answer
    x = 151,344.00

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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.