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Finding the Fourth Proportional to 140,323.20, 196,867.20 and 140,323.20

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Solution

The fourth proportional to 140,323.20, 196,867.20 and 140,323.20 is: 196,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,323.20 : 196,867.20 = 140,323.20 : x
  2. Step 2: Convert to fraction form
    140,323.20/196,867.20 = 140,323.20/x
  3. Step 3: Cross multiply
    140,323.20x = 196,867.20 × 140,323.20
  4. Step 4: Simplify right side
    140,323.20x = 27,625,035,479.04
  5. Step 5: Solve for x
    x = 27,625,035,479.04/140,323.20
  6. Step 6: Final answer
    x = 196,867.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.