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Finding the Fourth Proportional to 101,143.54, 151,718.56 and 34,580.98

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Solution

The fourth proportional to 101,143.54, 151,718.56 and 34,580.98 is: 51,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.54 : 151,718.56 = 34,580.98 : x
  2. Step 2: Convert to fraction form
    101,143.54/151,718.56 = 34,580.98/x
  3. Step 3: Cross multiply
    101,143.54x = 151,718.56 × 34,580.98
  4. Step 4: Simplify right side
    101,143.54x = 5,246,576,488.99
  5. Step 5: Solve for x
    x = 5,246,576,488.99/101,143.54
  6. Step 6: Final answer
    x = 51,872.58

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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.