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Finding the Fourth Proportional to 349,251.71, 523,862.98 and 99,933.71

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Solution

The fourth proportional to 349,251.71, 523,862.98 and 99,933.71 is: 149,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,251.71 : 523,862.98 = 99,933.71 : x
  2. Step 2: Convert to fraction form
    349,251.71/523,862.98 = 99,933.71/x
  3. Step 3: Cross multiply
    349,251.71x = 523,862.98 × 99,933.71
  4. Step 4: Simplify right side
    349,251.71x = 52,351,568,253.91
  5. Step 5: Solve for x
    x = 52,351,568,253.91/349,251.71
  6. Step 6: Final answer
    x = 149,896.39

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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.