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Finding the Fourth Proportional to 167,710.89, 251,591.85 and 55,402.98

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Solution

The fourth proportional to 167,710.89, 251,591.85 and 55,402.98 is: 83,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,710.89 : 251,591.85 = 55,402.98 : x
  2. Step 2: Convert to fraction form
    167,710.89/251,591.85 = 55,402.98/x
  3. Step 3: Cross multiply
    167,710.89x = 251,591.85 × 55,402.98
  4. Step 4: Simplify right side
    167,710.89x = 13,938,938,233.71
  5. Step 5: Solve for x
    x = 13,938,938,233.71/167,710.89
  6. Step 6: Final answer
    x = 83,112.90

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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.