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Finding the Fourth Proportional to 262,911.48, 362,797.26 and 149,712.12

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Solution

The fourth proportional to 262,911.48, 362,797.26 and 149,712.12 is: 206,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,911.48 : 362,797.26 = 149,712.12 : x
  2. Step 2: Convert to fraction form
    262,911.48/362,797.26 = 149,712.12/x
  3. Step 3: Cross multiply
    262,911.48x = 362,797.26 × 149,712.12
  4. Step 4: Simplify right side
    262,911.48x = 54,315,146,924.79
  5. Step 5: Solve for x
    x = 54,315,146,924.79/262,911.48
  6. Step 6: Final answer
    x = 206,591.01

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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.