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Finding the Fourth Proportional to 98,251.76, 147,272.52 and 50,819.10

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Solution

The fourth proportional to 98,251.76, 147,272.52 and 50,819.10 is: 76,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,251.76 : 147,272.52 = 50,819.10 : x
  2. Step 2: Convert to fraction form
    98,251.76/147,272.52 = 50,819.10/x
  3. Step 3: Cross multiply
    98,251.76x = 147,272.52 × 50,819.10
  4. Step 4: Simplify right side
    98,251.76x = 7,484,256,921.13
  5. Step 5: Solve for x
    x = 7,484,256,921.13/98,251.76
  6. Step 6: Final answer
    x = 76,174.28

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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.