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Finding the Fourth Proportional to 100,656.77, 150,891.29 and 34,050.54

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Solution

The fourth proportional to 100,656.77, 150,891.29 and 34,050.54 is: 51,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,656.77 : 150,891.29 = 34,050.54 : x
  2. Step 2: Convert to fraction form
    100,656.77/150,891.29 = 34,050.54/x
  3. Step 3: Cross multiply
    100,656.77x = 150,891.29 × 34,050.54
  4. Step 4: Simplify right side
    100,656.77x = 5,137,930,429.08
  5. Step 5: Solve for x
    x = 5,137,930,429.08/100,656.77
  6. Step 6: Final answer
    x = 51,044.06

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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.