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Finding the Fourth Proportional to 268,652.88, 370,737 and 147,786.96

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Solution

The fourth proportional to 268,652.88, 370,737 and 147,786.96 is: 203,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,652.88 : 370,737 = 147,786.96 : x
  2. Step 2: Convert to fraction form
    268,652.88/370,737 = 147,786.96/x
  3. Step 3: Cross multiply
    268,652.88x = 370,737 × 147,786.96
  4. Step 4: Simplify right side
    268,652.88x = 54,790,094,189.52
  5. Step 5: Solve for x
    x = 54,790,094,189.52/268,652.88
  6. Step 6: Final answer
    x = 203,943.82

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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.