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Finding the Fourth Proportional to 165,141.08, 247,712.34 and 40,482.08

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Solution

The fourth proportional to 165,141.08, 247,712.34 and 40,482.08 is: 60,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,141.08 : 247,712.34 = 40,482.08 : x
  2. Step 2: Convert to fraction form
    165,141.08/247,712.34 = 40,482.08/x
  3. Step 3: Cross multiply
    165,141.08x = 247,712.34 × 40,482.08
  4. Step 4: Simplify right side
    165,141.08x = 10,027,910,764.87
  5. Step 5: Solve for x
    x = 10,027,910,764.87/165,141.08
  6. Step 6: Final answer
    x = 60,723.30

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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.