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Finding the Fourth Proportional to 140,250.48, 210,219.84 and 106,860.48

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Solution

The fourth proportional to 140,250.48, 210,219.84 and 106,860.48 is: 160,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,250.48 : 210,219.84 = 106,860.48 : x
  2. Step 2: Convert to fraction form
    140,250.48/210,219.84 = 106,860.48/x
  3. Step 3: Cross multiply
    140,250.48x = 210,219.84 × 106,860.48
  4. Step 4: Simplify right side
    140,250.48x = 22,464,193,007.92
  5. Step 5: Solve for x
    x = 22,464,193,007.92/140,250.48
  6. Step 6: Final answer
    x = 160,171.95

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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.