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Finding the Fourth Proportional to 89,381.35, 134,071.87 and 22,821.49

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Solution

The fourth proportional to 89,381.35, 134,071.87 and 22,821.49 is: 34,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,381.35 : 134,071.87 = 22,821.49 : x
  2. Step 2: Convert to fraction form
    89,381.35/134,071.87 = 22,821.49/x
  3. Step 3: Cross multiply
    89,381.35x = 134,071.87 × 22,821.49
  4. Step 4: Simplify right side
    89,381.35x = 3,059,719,840.49
  5. Step 5: Solve for x
    x = 3,059,719,840.49/89,381.35
  6. Step 6: Final answer
    x = 34,232.20

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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.