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Finding the Fourth Proportional to 167,970.28, 231,780.90 and 92,514.28

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Solution

The fourth proportional to 167,970.28, 231,780.90 and 92,514.28 is: 127,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,970.28 : 231,780.90 = 92,514.28 : x
  2. Step 2: Convert to fraction form
    167,970.28/231,780.90 = 92,514.28/x
  3. Step 3: Cross multiply
    167,970.28x = 231,780.90 × 92,514.28
  4. Step 4: Simplify right side
    167,970.28x = 21,443,043,081.25
  5. Step 5: Solve for x
    x = 21,443,043,081.25/167,970.28
  6. Step 6: Final answer
    x = 127,659.74

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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.