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Finding the Fourth Proportional to 140,624.33, 210,958.41 and 45,832.52

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Solution

The fourth proportional to 140,624.33, 210,958.41 and 45,832.52 is: 68,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,624.33 : 210,958.41 = 45,832.52 : x
  2. Step 2: Convert to fraction form
    140,624.33/210,958.41 = 45,832.52/x
  3. Step 3: Cross multiply
    140,624.33x = 210,958.41 × 45,832.52
  4. Step 4: Simplify right side
    140,624.33x = 9,668,755,690.29
  5. Step 5: Solve for x
    x = 9,668,755,690.29/140,624.33
  6. Step 6: Final answer
    x = 68,755.92

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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.