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Finding the Fourth Proportional to 73,378.56, 110,069.76 and 26,634.24

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Solution

The fourth proportional to 73,378.56, 110,069.76 and 26,634.24 is: 39,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,378.56 : 110,069.76 = 26,634.24 : x
  2. Step 2: Convert to fraction form
    73,378.56/110,069.76 = 26,634.24/x
  3. Step 3: Cross multiply
    73,378.56x = 110,069.76 × 26,634.24
  4. Step 4: Simplify right side
    73,378.56x = 2,931,624,404.58
  5. Step 5: Solve for x
    x = 2,931,624,404.58/73,378.56
  6. Step 6: Final answer
    x = 39,952.06

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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.