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Finding the Fourth Proportional to 215,434.60, 323,022.30 and 110,458.60

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Solution

The fourth proportional to 215,434.60, 323,022.30 and 110,458.60 is: 165,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,434.60 : 323,022.30 = 110,458.60 : x
  2. Step 2: Convert to fraction form
    215,434.60/323,022.30 = 110,458.60/x
  3. Step 3: Cross multiply
    215,434.60x = 323,022.30 × 110,458.60
  4. Step 4: Simplify right side
    215,434.60x = 35,680,591,026.78
  5. Step 5: Solve for x
    x = 35,680,591,026.78/215,434.60
  6. Step 6: Final answer
    x = 165,621.45

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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.