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Finding the Fourth Proportional to 232,616.69, 320,857.93 and 167,978.29

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Solution

The fourth proportional to 232,616.69, 320,857.93 and 167,978.29 is: 231,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,616.69 : 320,857.93 = 167,978.29 : x
  2. Step 2: Convert to fraction form
    232,616.69/320,857.93 = 167,978.29/x
  3. Step 3: Cross multiply
    232,616.69x = 320,857.93 × 167,978.29
  4. Step 4: Simplify right side
    232,616.69x = 53,897,166,414.34
  5. Step 5: Solve for x
    x = 53,897,166,414.34/232,616.69
  6. Step 6: Final answer
    x = 231,699.48

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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.