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Finding the Fourth Proportional to 140,670.88, 211,005.41 and 35,489.95

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Solution

The fourth proportional to 140,670.88, 211,005.41 and 35,489.95 is: 53,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,670.88 : 211,005.41 = 35,489.95 : x
  2. Step 2: Convert to fraction form
    140,670.88/211,005.41 = 35,489.95/x
  3. Step 3: Cross multiply
    140,670.88x = 211,005.41 × 35,489.95
  4. Step 4: Simplify right side
    140,670.88x = 7,488,570,745.67
  5. Step 5: Solve for x
    x = 7,488,570,745.67/140,670.88
  6. Step 6: Final answer
    x = 53,234.69

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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.