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Finding the Fourth Proportional to 89,293.78, 133,937.43 and 36,008.74

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Solution

The fourth proportional to 89,293.78, 133,937.43 and 36,008.74 is: 54,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,293.78 : 133,937.43 = 36,008.74 : x
  2. Step 2: Convert to fraction form
    89,293.78/133,937.43 = 36,008.74/x
  3. Step 3: Cross multiply
    89,293.78x = 133,937.43 × 36,008.74
  4. Step 4: Simplify right side
    89,293.78x = 4,822,918,093.14
  5. Step 5: Solve for x
    x = 4,822,918,093.14/89,293.78
  6. Step 6: Final answer
    x = 54,011.80

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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.