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Finding the Fourth Proportional to 169,996.12, 234,602.96 and 94,543

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Solution

The fourth proportional to 169,996.12, 234,602.96 and 94,543 is: 130,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,996.12 : 234,602.96 = 94,543 : x
  2. Step 2: Convert to fraction form
    169,996.12/234,602.96 = 94,543/x
  3. Step 3: Cross multiply
    169,996.12x = 234,602.96 × 94,543
  4. Step 4: Simplify right side
    169,996.12x = 22,180,067,647.28
  5. Step 5: Solve for x
    x = 22,180,067,647.28/169,996.12
  6. Step 6: Final answer
    x = 130,473.96

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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.