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Finding the Fourth Proportional to 115,908.77, 173,863.15 and 63,289.55

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Solution

The fourth proportional to 115,908.77, 173,863.15 and 63,289.55 is: 94,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,908.77 : 173,863.15 = 63,289.55 : x
  2. Step 2: Convert to fraction form
    115,908.77/173,863.15 = 63,289.55/x
  3. Step 3: Cross multiply
    115,908.77x = 173,863.15 × 63,289.55
  4. Step 4: Simplify right side
    115,908.77x = 11,003,719,655.77
  5. Step 5: Solve for x
    x = 11,003,719,655.77/115,908.77
  6. Step 6: Final answer
    x = 94,934.32

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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.