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Finding the Fourth Proportional to 101,318.17, 151,980.33 and 34,757.34

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Solution

The fourth proportional to 101,318.17, 151,980.33 and 34,757.34 is: 52,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.17 : 151,980.33 = 34,757.34 : x
  2. Step 2: Convert to fraction form
    101,318.17/151,980.33 = 34,757.34/x
  3. Step 3: Cross multiply
    101,318.17x = 151,980.33 × 34,757.34
  4. Step 4: Simplify right side
    101,318.17x = 5,282,431,270.27
  5. Step 5: Solve for x
    x = 5,282,431,270.27/101,318.17
  6. Step 6: Final answer
    x = 52,137.06

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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.