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Finding the Fourth Proportional to 143,937.91, 216,093.96 and 110,681.34

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Solution

The fourth proportional to 143,937.91, 216,093.96 and 110,681.34 is: 166,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,937.91 : 216,093.96 = 110,681.34 : x
  2. Step 2: Convert to fraction form
    143,937.91/216,093.96 = 110,681.34/x
  3. Step 3: Cross multiply
    143,937.91x = 216,093.96 × 110,681.34
  4. Step 4: Simplify right side
    143,937.91x = 23,917,568,248.35
  5. Step 5: Solve for x
    x = 23,917,568,248.35/143,937.91
  6. Step 6: Final answer
    x = 166,165.87

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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.