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Finding the Fourth Proportional to 89,486.57, 134,219.75 and 22,927.20

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Solution

The fourth proportional to 89,486.57, 134,219.75 and 22,927.20 is: 34,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,486.57 : 134,219.75 = 22,927.20 : x
  2. Step 2: Convert to fraction form
    89,486.57/134,219.75 = 22,927.20/x
  3. Step 3: Cross multiply
    89,486.57x = 134,219.75 × 22,927.20
  4. Step 4: Simplify right side
    89,486.57x = 3,077,282,937.56
  5. Step 5: Solve for x
    x = 3,077,282,937.56/89,486.57
  6. Step 6: Final answer
    x = 34,388.21

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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.