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Finding the Fourth Proportional to 111,843.16, 167,712.90 and 41,703.64

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Solution

The fourth proportional to 111,843.16, 167,712.90 and 41,703.64 is: 62,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,843.16 : 167,712.90 = 41,703.64 : x
  2. Step 2: Convert to fraction form
    111,843.16/167,712.90 = 41,703.64/x
  3. Step 3: Cross multiply
    111,843.16x = 167,712.90 × 41,703.64
  4. Step 4: Simplify right side
    111,843.16x = 6,994,238,404.96
  5. Step 5: Solve for x
    x = 6,994,238,404.96/111,843.16
  6. Step 6: Final answer
    x = 62,536.13

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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.