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Finding the Fourth Proportional to 268,676.64, 370,759.44 and 147,798.48

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Solution

The fourth proportional to 268,676.64, 370,759.44 and 147,798.48 is: 203,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,676.64 : 370,759.44 = 147,798.48 : x
  2. Step 2: Convert to fraction form
    268,676.64/370,759.44 = 147,798.48/x
  3. Step 3: Cross multiply
    268,676.64x = 370,759.44 × 147,798.48
  4. Step 4: Simplify right side
    268,676.64x = 54,797,681,677.65
  5. Step 5: Solve for x
    x = 54,797,681,677.65/268,676.64
  6. Step 6: Final answer
    x = 203,954.02

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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.