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Finding the Fourth Proportional to 168,229, 232,156.02 and 101,161

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Solution

The fourth proportional to 168,229, 232,156.02 and 101,161 is: 139,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,229 : 232,156.02 = 101,161 : x
  2. Step 2: Convert to fraction form
    168,229/232,156.02 = 101,161/x
  3. Step 3: Cross multiply
    168,229x = 232,156.02 × 101,161
  4. Step 4: Simplify right side
    168,229x = 23,485,135,139.22
  5. Step 5: Solve for x
    x = 23,485,135,139.22/168,229
  6. Step 6: Final answer
    x = 139,602.18

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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.