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Finding the Fourth Proportional to 89,595.01, 134,411.75 and 29,620.28

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Solution

The fourth proportional to 89,595.01, 134,411.75 and 29,620.28 is: 44,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,595.01 : 134,411.75 = 29,620.28 : x
  2. Step 2: Convert to fraction form
    89,595.01/134,411.75 = 29,620.28/x
  3. Step 3: Cross multiply
    89,595.01x = 134,411.75 × 29,620.28
  4. Step 4: Simplify right side
    89,595.01x = 3,981,314,135.91
  5. Step 5: Solve for x
    x = 3,981,314,135.91/89,595.01
  6. Step 6: Final answer
    x = 44,436.78

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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.