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Finding the Fourth Proportional to 168,649.36, 232,726.96 and 93,193

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Solution

The fourth proportional to 168,649.36, 232,726.96 and 93,193 is: 128,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,649.36 : 232,726.96 = 93,193 : x
  2. Step 2: Convert to fraction form
    168,649.36/232,726.96 = 93,193/x
  3. Step 3: Cross multiply
    168,649.36x = 232,726.96 × 93,193
  4. Step 4: Simplify right side
    168,649.36x = 21,688,523,583.28
  5. Step 5: Solve for x
    x = 21,688,523,583.28/168,649.36
  6. Step 6: Final answer
    x = 128,601.28

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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.