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Finding the Fourth Proportional to 101,879.08, 152,818.68 and 35,319.22

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Solution

The fourth proportional to 101,879.08, 152,818.68 and 35,319.22 is: 52,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,879.08 : 152,818.68 = 35,319.22 : x
  2. Step 2: Convert to fraction form
    101,879.08/152,818.68 = 35,319.22/x
  3. Step 3: Cross multiply
    101,879.08x = 152,818.68 × 35,319.22
  4. Step 4: Simplify right side
    101,879.08x = 5,397,436,579.03
  5. Step 5: Solve for x
    x = 5,397,436,579.03/101,879.08
  6. Step 6: Final answer
    x = 52,978.85

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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.