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Finding the Fourth Proportional to 110,524.30, 165,786.45 and 82,876.30

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Solution

The fourth proportional to 110,524.30, 165,786.45 and 82,876.30 is: 124,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,524.30 : 165,786.45 = 82,876.30 : x
  2. Step 2: Convert to fraction form
    110,524.30/165,786.45 = 82,876.30/x
  3. Step 3: Cross multiply
    110,524.30x = 165,786.45 × 82,876.30
  4. Step 4: Simplify right side
    110,524.30x = 13,739,767,566.14
  5. Step 5: Solve for x
    x = 13,739,767,566.14/110,524.30
  6. Step 6: Final answer
    x = 124,314.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.