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Finding the Fourth Proportional to 135,337.44, 203,076.16 and 98,203.67

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Solution

The fourth proportional to 135,337.44, 203,076.16 and 98,203.67 is: 147,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,337.44 : 203,076.16 = 98,203.67 : x
  2. Step 2: Convert to fraction form
    135,337.44/203,076.16 = 98,203.67/x
  3. Step 3: Cross multiply
    135,337.44x = 203,076.16 × 98,203.67
  4. Step 4: Simplify right side
    135,337.44x = 19,942,823,693.82
  5. Step 5: Solve for x
    x = 19,942,823,693.82/135,337.44
  6. Step 6: Final answer
    x = 147,356.29

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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.