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Finding the Fourth Proportional to 136,794.81, 205,191.31 and 36,964.95

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Solution

The fourth proportional to 136,794.81, 205,191.31 and 36,964.95 is: 55,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,794.81 : 205,191.31 = 36,964.95 : x
  2. Step 2: Convert to fraction form
    136,794.81/205,191.31 = 36,964.95/x
  3. Step 3: Cross multiply
    136,794.81x = 205,191.31 × 36,964.95
  4. Step 4: Simplify right side
    136,794.81x = 7,584,886,514.58
  5. Step 5: Solve for x
    x = 7,584,886,514.58/136,794.81
  6. Step 6: Final answer
    x = 55,447.18

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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.