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Finding the Fourth Proportional to 227,067.84, 340,601.76 and 86,840.64

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Solution

The fourth proportional to 227,067.84, 340,601.76 and 86,840.64 is: 130,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,067.84 : 340,601.76 = 86,840.64 : x
  2. Step 2: Convert to fraction form
    227,067.84/340,601.76 = 86,840.64/x
  3. Step 3: Cross multiply
    227,067.84x = 340,601.76 × 86,840.64
  4. Step 4: Simplify right side
    227,067.84x = 29,578,074,823.53
  5. Step 5: Solve for x
    x = 29,578,074,823.53/227,067.84
  6. Step 6: Final answer
    x = 130,260.96

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1.5x scale

Why These Related Problems?

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