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Finding the Fourth Proportional to 101,084.79, 151,621.67 and 34,524.87

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Solution

The fourth proportional to 101,084.79, 151,621.67 and 34,524.87 is: 51,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,084.79 : 151,621.67 = 34,524.87 : x
  2. Step 2: Convert to fraction form
    101,084.79/151,621.67 = 34,524.87/x
  3. Step 3: Cross multiply
    101,084.79x = 151,621.67 × 34,524.87
  4. Step 4: Simplify right side
    101,084.79x = 5,234,717,963.66
  5. Step 5: Solve for x
    x = 5,234,717,963.66/101,084.79
  6. Step 6: Final answer
    x = 51,785.41

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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.