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Finding the Fourth Proportional to 73,010.68, 109,516.56 and 25,623.52

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Solution

The fourth proportional to 73,010.68, 109,516.56 and 25,623.52 is: 38,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.68 : 109,516.56 = 25,623.52 : x
  2. Step 2: Convert to fraction form
    73,010.68/109,516.56 = 25,623.52/x
  3. Step 3: Cross multiply
    73,010.68x = 109,516.56 × 25,623.52
  4. Step 4: Simplify right side
    73,010.68x = 2,806,199,765.49
  5. Step 5: Solve for x
    x = 2,806,199,765.49/73,010.68
  6. Step 6: Final answer
    x = 38,435.47

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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.