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Finding the Fourth Proportional to 200,018.68, 299,935.68 and 73,627.24

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Solution

The fourth proportional to 200,018.68, 299,935.68 and 73,627.24 is: 110,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,018.68 : 299,935.68 = 73,627.24 : x
  2. Step 2: Convert to fraction form
    200,018.68/299,935.68 = 73,627.24/x
  3. Step 3: Cross multiply
    200,018.68x = 299,935.68 × 73,627.24
  4. Step 4: Simplify right side
    200,018.68x = 22,083,436,295.92
  5. Step 5: Solve for x
    x = 22,083,436,295.92/200,018.68
  6. Step 6: Final answer
    x = 110,406.87

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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.