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Finding the Fourth Proportional to 73,264.78, 109,783.50 and 50,819.28

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Solution

The fourth proportional to 73,264.78, 109,783.50 and 50,819.28 is: 76,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,264.78 : 109,783.50 = 50,819.28 : x
  2. Step 2: Convert to fraction form
    73,264.78/109,783.50 = 50,819.28/x
  3. Step 3: Cross multiply
    73,264.78x = 109,783.50 × 50,819.28
  4. Step 4: Simplify right side
    73,264.78x = 5,579,118,425.88
  5. Step 5: Solve for x
    x = 5,579,118,425.88/73,264.78
  6. Step 6: Final answer
    x = 76,150.07

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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.