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Finding the Fourth Proportional to 89,912.84, 134,869.32 and 23,347.37

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Solution

The fourth proportional to 89,912.84, 134,869.32 and 23,347.37 is: 35,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912.84 : 134,869.32 = 23,347.37 : x
  2. Step 2: Convert to fraction form
    89,912.84/134,869.32 = 23,347.37/x
  3. Step 3: Cross multiply
    89,912.84x = 134,869.32 × 23,347.37
  4. Step 4: Simplify right side
    89,912.84x = 3,148,844,252.86
  5. Step 5: Solve for x
    x = 3,148,844,252.86/89,912.84
  6. Step 6: Final answer
    x = 35,021.08

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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.