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Finding the Fourth Proportional to 140,800.24, 211,201.20 and 35,619.16

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Solution

The fourth proportional to 140,800.24, 211,201.20 and 35,619.16 is: 53,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,800.24 : 211,201.20 = 35,619.16 : x
  2. Step 2: Convert to fraction form
    140,800.24/211,201.20 = 35,619.16/x
  3. Step 3: Cross multiply
    140,800.24x = 211,201.20 × 35,619.16
  4. Step 4: Simplify right side
    140,800.24x = 7,522,809,334.99
  5. Step 5: Solve for x
    x = 7,522,809,334.99/140,800.24
  6. Step 6: Final answer
    x = 53,428.95

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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.