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Finding the Fourth Proportional to 71,369.01, 107,065.83 and 23,988.66

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Solution

The fourth proportional to 71,369.01, 107,065.83 and 23,988.66 is: 35,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.01 : 107,065.83 = 23,988.66 : x
  2. Step 2: Convert to fraction form
    71,369.01/107,065.83 = 23,988.66/x
  3. Step 3: Cross multiply
    71,369.01x = 107,065.83 × 23,988.66
  4. Step 4: Simplify right side
    71,369.01x = 2,568,365,793.49
  5. Step 5: Solve for x
    x = 2,568,365,793.49/71,369.01
  6. Step 6: Final answer
    x = 35,987.13

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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.