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Finding the Fourth Proportional to 140,794.71, 211,189.80 and 34,179.53

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Solution

The fourth proportional to 140,794.71, 211,189.80 and 34,179.53 is: 51,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,794.71 : 211,189.80 = 34,179.53 : x
  2. Step 2: Convert to fraction form
    140,794.71/211,189.80 = 34,179.53/x
  3. Step 3: Cross multiply
    140,794.71x = 211,189.80 × 34,179.53
  4. Step 4: Simplify right side
    140,794.71x = 7,218,367,048.85
  5. Step 5: Solve for x
    x = 7,218,367,048.85/140,794.71
  6. Step 6: Final answer
    x = 51,268.74

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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.