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Finding the Fourth Proportional to 140,879.76, 211,352.40 and 41,050.56

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Solution

The fourth proportional to 140,879.76, 211,352.40 and 41,050.56 is: 61,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,879.76 : 211,352.40 = 41,050.56 : x
  2. Step 2: Convert to fraction form
    140,879.76/211,352.40 = 41,050.56/x
  3. Step 3: Cross multiply
    140,879.76x = 211,352.40 × 41,050.56
  4. Step 4: Simplify right side
    140,879.76x = 8,676,134,377.34
  5. Step 5: Solve for x
    x = 8,676,134,377.34/140,879.76
  6. Step 6: Final answer
    x = 61,585.39

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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.