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Finding the Fourth Proportional to 191,761.83, 264,640.37 and 106,879.50

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Solution

The fourth proportional to 191,761.83, 264,640.37 and 106,879.50 is: 147,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,761.83 : 264,640.37 = 106,879.50 : x
  2. Step 2: Convert to fraction form
    191,761.83/264,640.37 = 106,879.50/x
  3. Step 3: Cross multiply
    191,761.83x = 264,640.37 × 106,879.50
  4. Step 4: Simplify right side
    191,761.83x = 28,284,629,891.02
  5. Step 5: Solve for x
    x = 28,284,629,891.02/191,761.83
  6. Step 6: Final answer
    x = 147,498.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.