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Finding the Fourth Proportional to 89,301.75, 133,882.62 and 46,503.78

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Solution

The fourth proportional to 89,301.75, 133,882.62 and 46,503.78 is: 69,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,301.75 : 133,882.62 = 46,503.78 : x
  2. Step 2: Convert to fraction form
    89,301.75/133,882.62 = 46,503.78/x
  3. Step 3: Cross multiply
    89,301.75x = 133,882.62 × 46,503.78
  4. Step 4: Simplify right side
    89,301.75x = 6,226,047,906.30
  5. Step 5: Solve for x
    x = 6,226,047,906.30/89,301.75
  6. Step 6: Final answer
    x = 69,719.21

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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.