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Finding the Fourth Proportional to 182,315.10, 273,375.45 and 77,015.10

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Solution

The fourth proportional to 182,315.10, 273,375.45 and 77,015.10 is: 115,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,315.10 : 273,375.45 = 77,015.10 : x
  2. Step 2: Convert to fraction form
    182,315.10/273,375.45 = 77,015.10/x
  3. Step 3: Cross multiply
    182,315.10x = 273,375.45 × 77,015.10
  4. Step 4: Simplify right side
    182,315.10x = 21,054,037,619.30
  5. Step 5: Solve for x
    x = 21,054,037,619.30/182,315.10
  6. Step 6: Final answer
    x = 115,481.59

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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.