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Finding the Fourth Proportional to 179,978.41, 269,934.27 and 66,101.32

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Solution

The fourth proportional to 179,978.41, 269,934.27 and 66,101.32 is: 99,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,978.41 : 269,934.27 = 66,101.32 : x
  2. Step 2: Convert to fraction form
    179,978.41/269,934.27 = 66,101.32/x
  3. Step 3: Cross multiply
    179,978.41x = 269,934.27 × 66,101.32
  4. Step 4: Simplify right side
    179,978.41x = 17,843,011,560.24
  5. Step 5: Solve for x
    x = 17,843,011,560.24/179,978.41
  6. Step 6: Final answer
    x = 99,139.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.