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Finding the Fourth Proportional to 121,737.84, 167,995.06 and 68,023.29

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Solution

The fourth proportional to 121,737.84, 167,995.06 and 68,023.29 is: 93,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,737.84 : 167,995.06 = 68,023.29 : x
  2. Step 2: Convert to fraction form
    121,737.84/167,995.06 = 68,023.29/x
  3. Step 3: Cross multiply
    121,737.84x = 167,995.06 × 68,023.29
  4. Step 4: Simplify right side
    121,737.84x = 11,427,576,684.95
  5. Step 5: Solve for x
    x = 11,427,576,684.95/121,737.84
  6. Step 6: Final answer
    x = 93,870.37

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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.