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Finding the Fourth Proportional to 115,419.52, 173,227.52 and 45,347.84

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Solution

The fourth proportional to 115,419.52, 173,227.52 and 45,347.84 is: 68,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,419.52 : 173,227.52 = 45,347.84 : x
  2. Step 2: Convert to fraction form
    115,419.52/173,227.52 = 45,347.84/x
  3. Step 3: Cross multiply
    115,419.52x = 173,227.52 × 45,347.84
  4. Step 4: Simplify right side
    115,419.52x = 7,855,493,860.56
  5. Step 5: Solve for x
    x = 7,855,493,860.56/115,419.52
  6. Step 6: Final answer
    x = 68,060.36

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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.