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Finding the Fourth Proportional to 200,695, 301,062.66 and 52,951

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Solution

The fourth proportional to 200,695, 301,062.66 and 52,951 is: 79,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,695 : 301,062.66 = 52,951 : x
  2. Step 2: Convert to fraction form
    200,695/301,062.66 = 52,951/x
  3. Step 3: Cross multiply
    200,695x = 301,062.66 × 52,951
  4. Step 4: Simplify right side
    200,695x = 15,941,568,909.66
  5. Step 5: Solve for x
    x = 15,941,568,909.66/200,695
  6. Step 6: Final answer
    x = 79,431.82

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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.