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Finding the Fourth Proportional to 115,691.48, 173,493.42 and 63,072.32

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Solution

The fourth proportional to 115,691.48, 173,493.42 and 63,072.32 is: 94,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,691.48 : 173,493.42 = 63,072.32 : x
  2. Step 2: Convert to fraction form
    115,691.48/173,493.42 = 63,072.32/x
  3. Step 3: Cross multiply
    115,691.48x = 173,493.42 × 63,072.32
  4. Step 4: Simplify right side
    115,691.48x = 10,942,632,504.13
  5. Step 5: Solve for x
    x = 10,942,632,504.13/115,691.48
  6. Step 6: Final answer
    x = 94,584.60

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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.