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Finding the Fourth Proportional to 167,287.42, 230,826.85 and 94,689.96

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Solution

The fourth proportional to 167,287.42, 230,826.85 and 94,689.96 is: 130,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.42 : 230,826.85 = 94,689.96 : x
  2. Step 2: Convert to fraction form
    167,287.42/230,826.85 = 94,689.96/x
  3. Step 3: Cross multiply
    167,287.42x = 230,826.85 × 94,689.96
  4. Step 4: Simplify right side
    167,287.42x = 21,856,985,193.43
  5. Step 5: Solve for x
    x = 21,856,985,193.43/167,287.42
  6. Step 6: Final answer
    x = 130,655.28

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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.