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Finding the Fourth Proportional to 262,383.73, 362,025.30 and 147,640

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Solution

The fourth proportional to 262,383.73, 362,025.30 and 147,640 is: 203,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,383.73 : 362,025.30 = 147,640 : x
  2. Step 2: Convert to fraction form
    262,383.73/362,025.30 = 147,640/x
  3. Step 3: Cross multiply
    262,383.73x = 362,025.30 × 147,640
  4. Step 4: Simplify right side
    262,383.73x = 53,449,415,292
  5. Step 5: Solve for x
    x = 53,449,415,292/262,383.73
  6. Step 6: Final answer
    x = 203,707.05

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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.