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Finding the Fourth Proportional to 156,616.24, 216,234.48 and 92,974.48

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Solution

The fourth proportional to 156,616.24, 216,234.48 and 92,974.48 is: 128,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616.24 : 216,234.48 = 92,974.48 : x
  2. Step 2: Convert to fraction form
    156,616.24/216,234.48 = 92,974.48/x
  3. Step 3: Cross multiply
    156,616.24x = 216,234.48 × 92,974.48
  4. Step 4: Simplify right side
    156,616.24x = 20,104,288,336.07
  5. Step 5: Solve for x
    x = 20,104,288,336.07/156,616.24
  6. Step 6: Final answer
    x = 128,366.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.