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Finding the Fourth Proportional to 110,512.70, 165,769.05 and 40,442.30

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Solution

The fourth proportional to 110,512.70, 165,769.05 and 40,442.30 is: 60,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,512.70 : 165,769.05 = 40,442.30 : x
  2. Step 2: Convert to fraction form
    110,512.70/165,769.05 = 40,442.30/x
  3. Step 3: Cross multiply
    110,512.70x = 165,769.05 × 40,442.30
  4. Step 4: Simplify right side
    110,512.70x = 6,704,081,650.82
  5. Step 5: Solve for x
    x = 6,704,081,650.82/110,512.70
  6. Step 6: Final answer
    x = 60,663.45

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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.