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Finding the Fourth Proportional to 80,352,273.60, 120,528,410.40 and 26,496,734.40

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Solution

The fourth proportional to 80,352,273.60, 120,528,410.40 and 26,496,734.40 is: 39,745,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,352,273.60 : 120,528,410.40 = 26,496,734.40 : x
  2. Step 2: Convert to fraction form
    80,352,273.60/120,528,410.40 = 26,496,734.40/x
  3. Step 3: Cross multiply
    80,352,273.60x = 120,528,410.40 × 26,496,734.40
  4. Step 4: Simplify right side
    80,352,273.60x = 3,193,609,278,022,997.50
  5. Step 5: Solve for x
    x = 3,193,609,278,022,997.50/80,352,273.60
  6. Step 6: Final answer
    x = 39,745,101.60

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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.