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Finding the Fourth Proportional to 73,898.76, 110,892.28 and 27,156.36

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Solution

The fourth proportional to 73,898.76, 110,892.28 and 27,156.36 is: 40,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.76 : 110,892.28 = 27,156.36 : x
  2. Step 2: Convert to fraction form
    73,898.76/110,892.28 = 27,156.36/x
  3. Step 3: Cross multiply
    73,898.76x = 110,892.28 × 27,156.36
  4. Step 4: Simplify right side
    73,898.76x = 3,011,430,676.90
  5. Step 5: Solve for x
    x = 3,011,430,676.90/73,898.76
  6. Step 6: Final answer
    x = 40,750.76

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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.