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Finding the Fourth Proportional to 228,359.12, 342,392.52 and 109,794.32

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Solution

The fourth proportional to 228,359.12, 342,392.52 and 109,794.32 is: 164,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,359.12 : 342,392.52 = 109,794.32 : x
  2. Step 2: Convert to fraction form
    228,359.12/342,392.52 = 109,794.32/x
  3. Step 3: Cross multiply
    228,359.12x = 342,392.52 × 109,794.32
  4. Step 4: Simplify right side
    228,359.12x = 37,592,753,906.49
  5. Step 5: Solve for x
    x = 37,592,753,906.49/228,359.12
  6. Step 6: Final answer
    x = 164,621.21

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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.