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Finding the Fourth Proportional to 115,696.68, 173,537.72 and 36,867.48

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Solution

The fourth proportional to 115,696.68, 173,537.72 and 36,867.48 is: 55,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,696.68 : 173,537.72 = 36,867.48 : x
  2. Step 2: Convert to fraction form
    115,696.68/173,537.72 = 36,867.48/x
  3. Step 3: Cross multiply
    115,696.68x = 173,537.72 × 36,867.48
  4. Step 4: Simplify right side
    115,696.68x = 6,397,898,421.35
  5. Step 5: Solve for x
    x = 6,397,898,421.35/115,696.68
  6. Step 6: Final answer
    x = 55,298.89

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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.