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Finding the Fourth Proportional to 89,905.19, 134,874.14 and 44,950.01

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Solution

The fourth proportional to 89,905.19, 134,874.14 and 44,950.01 is: 67,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905.19 : 134,874.14 = 44,950.01 : x
  2. Step 2: Convert to fraction form
    89,905.19/134,874.14 = 44,950.01/x
  3. Step 3: Cross multiply
    89,905.19x = 134,874.14 × 44,950.01
  4. Step 4: Simplify right side
    89,905.19x = 6,062,593,042.62
  5. Step 5: Solve for x
    x = 6,062,593,042.62/89,905.19
  6. Step 6: Final answer
    x = 67,433.19

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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.