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Finding the Fourth Proportional to 115,456.95, 173,055.92 and 75,552.71

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Solution

The fourth proportional to 115,456.95, 173,055.92 and 75,552.71 is: 113,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,456.95 : 173,055.92 = 75,552.71 : x
  2. Step 2: Convert to fraction form
    115,456.95/173,055.92 = 75,552.71/x
  3. Step 3: Cross multiply
    115,456.95x = 173,055.92 × 75,552.71
  4. Step 4: Simplify right side
    115,456.95x = 13,074,842,494.50
  5. Step 5: Solve for x
    x = 13,074,842,494.50/115,456.95
  6. Step 6: Final answer
    x = 113,244.31

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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.