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Finding the Fourth Proportional to 294,828.72, 406,874.52 and 167,525.88

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Solution

The fourth proportional to 294,828.72, 406,874.52 and 167,525.88 is: 231,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,828.72 : 406,874.52 = 167,525.88 : x
  2. Step 2: Convert to fraction form
    294,828.72/406,874.52 = 167,525.88/x
  3. Step 3: Cross multiply
    294,828.72x = 406,874.52 × 167,525.88
  4. Step 4: Simplify right side
    294,828.72x = 68,162,012,012.58
  5. Step 5: Solve for x
    x = 68,162,012,012.58/294,828.72
  6. Step 6: Final answer
    x = 231,191.90

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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.