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Finding the Fourth Proportional to 140,324.45, 210,519.54 and 95,972.09

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Solution

The fourth proportional to 140,324.45, 210,519.54 and 95,972.09 is: 143,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,324.45 : 210,519.54 = 95,972.09 : x
  2. Step 2: Convert to fraction form
    140,324.45/210,519.54 = 95,972.09/x
  3. Step 3: Cross multiply
    140,324.45x = 210,519.54 × 95,972.09
  4. Step 4: Simplify right side
    140,324.45x = 20,203,999,187.04
  5. Step 5: Solve for x
    x = 20,203,999,187.04/140,324.45
  6. Step 6: Final answer
    x = 143,980.61

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1.5x scale

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.