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Finding the Fourth Proportional to 73,019.17, 109,733.24 and 43,441.57

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Solution

The fourth proportional to 73,019.17, 109,733.24 and 43,441.57 is: 65,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,019.17 : 109,733.24 = 43,441.57 : x
  2. Step 2: Convert to fraction form
    73,019.17/109,733.24 = 43,441.57/x
  3. Step 3: Cross multiply
    73,019.17x = 109,733.24 × 43,441.57
  4. Step 4: Simplify right side
    73,019.17x = 4,766,984,226.79
  5. Step 5: Solve for x
    x = 4,766,984,226.79/73,019.17
  6. Step 6: Final answer
    x = 65,284.01

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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.