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Finding the Fourth Proportional to 169,665, 234,147.42 and 94,218.36

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Solution

The fourth proportional to 169,665, 234,147.42 and 94,218.36 is: 130,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,665 : 234,147.42 = 94,218.36 : x
  2. Step 2: Convert to fraction form
    169,665/234,147.42 = 94,218.36/x
  3. Step 3: Cross multiply
    169,665x = 234,147.42 × 94,218.36
  4. Step 4: Simplify right side
    169,665x = 22,060,985,910.63
  5. Step 5: Solve for x
    x = 22,060,985,910.63/169,665
  6. Step 6: Final answer
    x = 130,026.73

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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.