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Finding the Fourth Proportional to 167,089.87, 230,584.53 and 90,608.91

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Solution

The fourth proportional to 167,089.87, 230,584.53 and 90,608.91 is: 125,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,089.87 : 230,584.53 = 90,608.91 : x
  2. Step 2: Convert to fraction form
    167,089.87/230,584.53 = 90,608.91/x
  3. Step 3: Cross multiply
    167,089.87x = 230,584.53 × 90,608.91
  4. Step 4: Simplify right side
    167,089.87x = 20,893,012,926.16
  5. Step 5: Solve for x
    x = 20,893,012,926.16/167,089.87
  6. Step 6: Final answer
    x = 125,040.57

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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.