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Finding the Fourth Proportional to 101,310.84, 151,800.21 and 34,715.07

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Solution

The fourth proportional to 101,310.84, 151,800.21 and 34,715.07 is: 52,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,310.84 : 151,800.21 = 34,715.07 : x
  2. Step 2: Convert to fraction form
    101,310.84/151,800.21 = 34,715.07/x
  3. Step 3: Cross multiply
    101,310.84x = 151,800.21 × 34,715.07
  4. Step 4: Simplify right side
    101,310.84x = 5,269,754,916.16
  5. Step 5: Solve for x
    x = 5,269,754,916.16/101,310.84
  6. Step 6: Final answer
    x = 52,015.71

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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.