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Finding the Fourth Proportional to 100,584.90, 150,992.55 and 59,055.30

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Solution

The fourth proportional to 100,584.90, 150,992.55 and 59,055.30 is: 88,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,584.90 : 150,992.55 = 59,055.30 : x
  2. Step 2: Convert to fraction form
    100,584.90/150,992.55 = 59,055.30/x
  3. Step 3: Cross multiply
    100,584.90x = 150,992.55 × 59,055.30
  4. Step 4: Simplify right side
    100,584.90x = 8,916,910,338.02
  5. Step 5: Solve for x
    x = 8,916,910,338.02/100,584.90
  6. Step 6: Final answer
    x = 88,650.59

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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.