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Finding the Fourth Proportional to 268,471.52, 370,494.96 and 147,618.08

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Solution

The fourth proportional to 268,471.52, 370,494.96 and 147,618.08 is: 203,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,471.52 : 370,494.96 = 147,618.08 : x
  2. Step 2: Convert to fraction form
    268,471.52/370,494.96 = 147,618.08/x
  3. Step 3: Cross multiply
    268,471.52x = 370,494.96 × 147,618.08
  4. Step 4: Simplify right side
    268,471.52x = 54,691,754,644.88
  5. Step 5: Solve for x
    x = 54,691,754,644.88/268,471.52
  6. Step 6: Final answer
    x = 203,715.29

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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.