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Finding the Fourth Proportional to 75,857.55, 113,751.10 and 44,276.73

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Solution

The fourth proportional to 75,857.55, 113,751.10 and 44,276.73 is: 66,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,857.55 : 113,751.10 = 44,276.73 : x
  2. Step 2: Convert to fraction form
    75,857.55/113,751.10 = 44,276.73/x
  3. Step 3: Cross multiply
    75,857.55x = 113,751.10 × 44,276.73
  4. Step 4: Simplify right side
    75,857.55x = 5,036,526,741.90
  5. Step 5: Solve for x
    x = 5,036,526,741.90/75,857.55
  6. Step 6: Final answer
    x = 66,394.53

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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.