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Finding the Fourth Proportional to 115,695.68, 173,536.22 and 36,866.48

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Solution

The fourth proportional to 115,695.68, 173,536.22 and 36,866.48 is: 55,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,695.68 : 173,536.22 = 36,866.48 : x
  2. Step 2: Convert to fraction form
    115,695.68/173,536.22 = 36,866.48/x
  3. Step 3: Cross multiply
    115,695.68x = 173,536.22 × 36,866.48
  4. Step 4: Simplify right side
    115,695.68x = 6,397,668,808.39
  5. Step 5: Solve for x
    x = 6,397,668,808.39/115,695.68
  6. Step 6: Final answer
    x = 55,297.39

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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.