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Finding the Fourth Proportional to 200,650.56, 300,943.03 and 60,376.38

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Solution

The fourth proportional to 200,650.56, 300,943.03 and 60,376.38 is: 90,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,650.56 : 300,943.03 = 60,376.38 : x
  2. Step 2: Convert to fraction form
    200,650.56/300,943.03 = 60,376.38/x
  3. Step 3: Cross multiply
    200,650.56x = 300,943.03 × 60,376.38
  4. Step 4: Simplify right side
    200,650.56x = 18,169,850,737.63
  5. Step 5: Solve for x
    x = 18,169,850,737.63/200,650.56
  6. Step 6: Final answer
    x = 90,554.70

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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.