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Finding the Fourth Proportional to 115,633.77, 173,426.79 and 44,532

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Solution

The fourth proportional to 115,633.77, 173,426.79 and 44,532 is: 66,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,633.77 : 173,426.79 = 44,532 : x
  2. Step 2: Convert to fraction form
    115,633.77/173,426.79 = 44,532/x
  3. Step 3: Cross multiply
    115,633.77x = 173,426.79 × 44,532
  4. Step 4: Simplify right side
    115,633.77x = 7,723,041,812.28
  5. Step 5: Solve for x
    x = 7,723,041,812.28/115,633.77
  6. Step 6: Final answer
    x = 66,788.81

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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.