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Finding the Fourth Proportional to 44,109.40, 65,981.85 and 40,216.54

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Solution

The fourth proportional to 44,109.40, 65,981.85 and 40,216.54 is: 60,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,109.40 : 65,981.85 = 40,216.54 : x
  2. Step 2: Convert to fraction form
    44,109.40/65,981.85 = 40,216.54/x
  3. Step 3: Cross multiply
    44,109.40x = 65,981.85 × 40,216.54
  4. Step 4: Simplify right side
    44,109.40x = 2,653,561,709.80
  5. Step 5: Solve for x
    x = 2,653,561,709.80/44,109.40
  6. Step 6: Final answer
    x = 60,158.64

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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.