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Finding the Fourth Proportional to 112,013.80, 167,826.30 and 94,517.80

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Solution

The fourth proportional to 112,013.80, 167,826.30 and 94,517.80 is: 141,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013.80 : 167,826.30 = 94,517.80 : x
  2. Step 2: Convert to fraction form
    112,013.80/167,826.30 = 94,517.80/x
  3. Step 3: Cross multiply
    112,013.80x = 167,826.30 × 94,517.80
  4. Step 4: Simplify right side
    112,013.80x = 15,862,572,658.14
  5. Step 5: Solve for x
    x = 15,862,572,658.14/112,013.80
  6. Step 6: Final answer
    x = 141,612.66

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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.