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Finding the Fourth Proportional to 133,916.36, 200,874.54 and 59,020.52

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Solution

The fourth proportional to 133,916.36, 200,874.54 and 59,020.52 is: 88,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,916.36 : 200,874.54 = 59,020.52 : x
  2. Step 2: Convert to fraction form
    133,916.36/200,874.54 = 59,020.52/x
  3. Step 3: Cross multiply
    133,916.36x = 200,874.54 × 59,020.52
  4. Step 4: Simplify right side
    133,916.36x = 11,855,719,805.56
  5. Step 5: Solve for x
    x = 11,855,719,805.56/133,916.36
  6. Step 6: Final answer
    x = 88,530.78

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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.