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Finding the Fourth Proportional to 200,167.66, 300,339.38 and 75,479.50

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Solution

The fourth proportional to 200,167.66, 300,339.38 and 75,479.50 is: 113,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,167.66 : 300,339.38 = 75,479.50 : x
  2. Step 2: Convert to fraction form
    200,167.66/300,339.38 = 75,479.50/x
  3. Step 3: Cross multiply
    200,167.66x = 300,339.38 × 75,479.50
  4. Step 4: Simplify right side
    200,167.66x = 22,669,466,232.71
  5. Step 5: Solve for x
    x = 22,669,466,232.71/200,167.66
  6. Step 6: Final answer
    x = 113,252.39

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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.