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Finding the Fourth Proportional to 167,598.66, 231,288.03 and 91,117.65

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Solution

The fourth proportional to 167,598.66, 231,288.03 and 91,117.65 is: 125,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,598.66 : 231,288.03 = 91,117.65 : x
  2. Step 2: Convert to fraction form
    167,598.66/231,288.03 = 91,117.65/x
  3. Step 3: Cross multiply
    167,598.66x = 231,288.03 × 91,117.65
  4. Step 4: Simplify right side
    167,598.66x = 21,074,421,766.73
  5. Step 5: Solve for x
    x = 21,074,421,766.73/167,598.66
  6. Step 6: Final answer
    x = 125,743.38

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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.