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Finding the Fourth Proportional to 262,468.20, 362,206.02 and 143,236.20

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Solution

The fourth proportional to 262,468.20, 362,206.02 and 143,236.20 is: 197,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,468.20 : 362,206.02 = 143,236.20 : x
  2. Step 2: Convert to fraction form
    262,468.20/362,206.02 = 143,236.20/x
  3. Step 3: Cross multiply
    262,468.20x = 362,206.02 × 143,236.20
  4. Step 4: Simplify right side
    262,468.20x = 51,881,013,921.92
  5. Step 5: Solve for x
    x = 51,881,013,921.92/262,468.20
  6. Step 6: Final answer
    x = 197,665.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.