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Finding the Fourth Proportional to 262,465.20, 362,201.88 and 143,233.20

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Solution

The fourth proportional to 262,465.20, 362,201.88 and 143,233.20 is: 197,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,465.20 : 362,201.88 = 143,233.20 : x
  2. Step 2: Convert to fraction form
    262,465.20/362,201.88 = 143,233.20/x
  3. Step 3: Cross multiply
    262,465.20x = 362,201.88 × 143,233.20
  4. Step 4: Simplify right side
    262,465.20x = 51,879,334,318.42
  5. Step 5: Solve for x
    x = 51,879,334,318.42/262,465.20
  6. Step 6: Final answer
    x = 197,661.76

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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.