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Finding the Fourth Proportional to 115,910.77, 173,866.15 and 63,291.55

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Solution

The fourth proportional to 115,910.77, 173,866.15 and 63,291.55 is: 94,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910.77 : 173,866.15 = 63,291.55 : x
  2. Step 2: Convert to fraction form
    115,910.77/173,866.15 = 63,291.55/x
  3. Step 3: Cross multiply
    115,910.77x = 173,866.15 × 63,291.55
  4. Step 4: Simplify right side
    115,910.77x = 11,004,257,256.70
  5. Step 5: Solve for x
    x = 11,004,257,256.70/115,910.77
  6. Step 6: Final answer
    x = 94,937.32

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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.