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Finding the Fourth Proportional to 101,718.89, 152,578.33 and 34,245.28

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Solution

The fourth proportional to 101,718.89, 152,578.33 and 34,245.28 is: 51,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,718.89 : 152,578.33 = 34,245.28 : x
  2. Step 2: Convert to fraction form
    101,718.89/152,578.33 = 34,245.28/x
  3. Step 3: Cross multiply
    101,718.89x = 152,578.33 × 34,245.28
  4. Step 4: Simplify right side
    101,718.89x = 5,225,087,504.36
  5. Step 5: Solve for x
    x = 5,225,087,504.36/101,718.89
  6. Step 6: Final answer
    x = 51,367.92

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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.