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Finding the Fourth Proportional to 121,232.40, 167,294.14 and 66,773.98

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Solution

The fourth proportional to 121,232.40, 167,294.14 and 66,773.98 is: 92,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,232.40 : 167,294.14 = 66,773.98 : x
  2. Step 2: Convert to fraction form
    121,232.40/167,294.14 = 66,773.98/x
  3. Step 3: Cross multiply
    121,232.40x = 167,294.14 × 66,773.98
  4. Step 4: Simplify right side
    121,232.40x = 11,170,895,558.48
  5. Step 5: Solve for x
    x = 11,170,895,558.48/121,232.40
  6. Step 6: Final answer
    x = 92,144.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.