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Finding the Fourth Proportional to 228,167.58, 342,247.41 and 68,243.88

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Solution

The fourth proportional to 228,167.58, 342,247.41 and 68,243.88 is: 102,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,167.58 : 342,247.41 = 68,243.88 : x
  2. Step 2: Convert to fraction form
    228,167.58/342,247.41 = 68,243.88/x
  3. Step 3: Cross multiply
    228,167.58x = 342,247.41 × 68,243.88
  4. Step 4: Simplify right side
    228,167.58x = 23,356,291,178.35
  5. Step 5: Solve for x
    x = 23,356,291,178.35/228,167.58
  6. Step 6: Final answer
    x = 102,364.64

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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.