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Finding the Fourth Proportional to 262,991.16, 362,959.56 and 148,291.92

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Solution

The fourth proportional to 262,991.16, 362,959.56 and 148,291.92 is: 204,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,991.16 : 362,959.56 = 148,291.92 : x
  2. Step 2: Convert to fraction form
    262,991.16/362,959.56 = 148,291.92/x
  3. Step 3: Cross multiply
    262,991.16x = 362,959.56 × 148,291.92
  4. Step 4: Simplify right side
    262,991.16x = 53,823,970,034.76
  5. Step 5: Solve for x
    x = 53,823,970,034.76/262,991.16
  6. Step 6: Final answer
    x = 204,660.76

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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.