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Finding the Fourth Proportional to 156,555.54, 216,046.17 and 92,945.70

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Solution

The fourth proportional to 156,555.54, 216,046.17 and 92,945.70 is: 128,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,555.54 : 216,046.17 = 92,945.70 : x
  2. Step 2: Convert to fraction form
    156,555.54/216,046.17 = 92,945.70/x
  3. Step 3: Cross multiply
    156,555.54x = 216,046.17 × 92,945.70
  4. Step 4: Simplify right side
    156,555.54x = 20,080,562,502.97
  5. Step 5: Solve for x
    x = 20,080,562,502.97/156,555.54
  6. Step 6: Final answer
    x = 128,264.78

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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.