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Finding the Fourth Proportional to 268,551.72, 370,593.54 and 147,692.88

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Solution

The fourth proportional to 268,551.72, 370,593.54 and 147,692.88 is: 203,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,551.72 : 370,593.54 = 147,692.88 : x
  2. Step 2: Convert to fraction form
    268,551.72/370,593.54 = 147,692.88/x
  3. Step 3: Cross multiply
    268,551.72x = 370,593.54 × 147,692.88
  4. Step 4: Simplify right side
    268,551.72x = 54,734,027,232.00
  5. Step 5: Solve for x
    x = 54,734,027,232.00/268,551.72
  6. Step 6: Final answer
    x = 203,811.87

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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.