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Finding the Fourth Proportional to 140,326.95, 210,523.29 and 95,974.59

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Solution

The fourth proportional to 140,326.95, 210,523.29 and 95,974.59 is: 143,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,326.95 : 210,523.29 = 95,974.59 : x
  2. Step 2: Convert to fraction form
    140,326.95/210,523.29 = 95,974.59/x
  3. Step 3: Cross multiply
    140,326.95x = 210,523.29 × 95,974.59
  4. Step 4: Simplify right side
    140,326.95x = 20,204,886,443.20
  5. Step 5: Solve for x
    x = 20,204,886,443.20/140,326.95
  6. Step 6: Final answer
    x = 143,984.36

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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.