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Finding the Fourth Proportional to 228,216.88, 342,179.48 and 109,652.32

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Solution

The fourth proportional to 228,216.88, 342,179.48 and 109,652.32 is: 164,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,216.88 : 342,179.48 = 109,652.32 : x
  2. Step 2: Convert to fraction form
    228,216.88/342,179.48 = 109,652.32/x
  3. Step 3: Cross multiply
    228,216.88x = 342,179.48 × 109,652.32
  4. Step 4: Simplify right side
    228,216.88x = 37,520,773,838.39
  5. Step 5: Solve for x
    x = 37,520,773,838.39/228,216.88
  6. Step 6: Final answer
    x = 164,408.41

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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.