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Finding the Fourth Proportional to 167,402.61, 231,017.30 and 90,922.44

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Solution

The fourth proportional to 167,402.61, 231,017.30 and 90,922.44 is: 125,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,402.61 : 231,017.30 = 90,922.44 : x
  2. Step 2: Convert to fraction form
    167,402.61/231,017.30 = 90,922.44/x
  3. Step 3: Cross multiply
    167,402.61x = 231,017.30 × 90,922.44
  4. Step 4: Simplify right side
    167,402.61x = 21,004,657,350.87
  5. Step 5: Solve for x
    x = 21,004,657,350.87/167,402.61
  6. Step 6: Final answer
    x = 125,473.89

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1.5x scale

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.