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Finding the Fourth Proportional to 89,862.76, 134,789.28 and 27,533.44

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Solution

The fourth proportional to 89,862.76, 134,789.28 and 27,533.44 is: 41,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.76 : 134,789.28 = 27,533.44 : x
  2. Step 2: Convert to fraction form
    89,862.76/134,789.28 = 27,533.44/x
  3. Step 3: Cross multiply
    89,862.76x = 134,789.28 × 27,533.44
  4. Step 4: Simplify right side
    89,862.76x = 3,711,212,553.52
  5. Step 5: Solve for x
    x = 3,711,212,553.52/89,862.76
  6. Step 6: Final answer
    x = 41,298.67

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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.