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Finding the Fourth Proportional to 89,714.99, 134,471.90 and 36,394.58

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Solution

The fourth proportional to 89,714.99, 134,471.90 and 36,394.58 is: 54,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,714.99 : 134,471.90 = 36,394.58 : x
  2. Step 2: Convert to fraction form
    89,714.99/134,471.90 = 36,394.58/x
  3. Step 3: Cross multiply
    89,714.99x = 134,471.90 × 36,394.58
  4. Step 4: Simplify right side
    89,714.99x = 4,894,047,467.97
  5. Step 5: Solve for x
    x = 4,894,047,467.97/89,714.99
  6. Step 6: Final answer
    x = 54,551.06

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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.