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Finding the Fourth Proportional to 127,354.52, 175,676.04 and 79,524.84

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Solution

The fourth proportional to 127,354.52, 175,676.04 and 79,524.84 is: 109,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,354.52 : 175,676.04 = 79,524.84 : x
  2. Step 2: Convert to fraction form
    127,354.52/175,676.04 = 79,524.84/x
  3. Step 3: Cross multiply
    127,354.52x = 175,676.04 × 79,524.84
  4. Step 4: Simplify right side
    127,354.52x = 13,970,608,972.83
  5. Step 5: Solve for x
    x = 13,970,608,972.83/127,354.52
  6. Step 6: Final answer
    x = 109,698.57

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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.