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Finding the Fourth Proportional to 168,181.76, 232,091.52 and 101,114.88

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Solution

The fourth proportional to 168,181.76, 232,091.52 and 101,114.88 is: 139,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,181.76 : 232,091.52 = 101,114.88 : x
  2. Step 2: Convert to fraction form
    168,181.76/232,091.52 = 101,114.88/x
  3. Step 3: Cross multiply
    168,181.76x = 232,091.52 × 101,114.88
  4. Step 4: Simplify right side
    168,181.76x = 23,467,906,193.82
  5. Step 5: Solve for x
    x = 23,467,906,193.82/168,181.76
  6. Step 6: Final answer
    x = 139,538.95

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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.