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Finding the Fourth Proportional to 262,687.37, 362,530.90 and 147,988.53

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Solution

The fourth proportional to 262,687.37, 362,530.90 and 147,988.53 is: 204,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,687.37 : 362,530.90 = 147,988.53 : x
  2. Step 2: Convert to fraction form
    262,687.37/362,530.90 = 147,988.53/x
  3. Step 3: Cross multiply
    262,687.37x = 362,530.90 × 147,988.53
  4. Step 4: Simplify right side
    262,687.37x = 53,650,414,600.61
  5. Step 5: Solve for x
    x = 53,650,414,600.61/262,687.37
  6. Step 6: Final answer
    x = 204,236.75

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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.