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Finding the Fourth Proportional to 89,241.40, 133,797.30 and 36,623.80

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Solution

The fourth proportional to 89,241.40, 133,797.30 and 36,623.80 is: 54,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,241.40 : 133,797.30 = 36,623.80 : x
  2. Step 2: Convert to fraction form
    89,241.40/133,797.30 = 36,623.80/x
  3. Step 3: Cross multiply
    89,241.40x = 133,797.30 × 36,623.80
  4. Step 4: Simplify right side
    89,241.40x = 4,900,165,555.74
  5. Step 5: Solve for x
    x = 4,900,165,555.74/89,241.40
  6. Step 6: Final answer
    x = 54,909.11

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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.