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Finding the Fourth Proportional to 169,864.44, 234,007.74 and 118,781.64

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Solution

The fourth proportional to 169,864.44, 234,007.74 and 118,781.64 is: 163,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,864.44 : 234,007.74 = 118,781.64 : x
  2. Step 2: Convert to fraction form
    169,864.44/234,007.74 = 118,781.64/x
  3. Step 3: Cross multiply
    169,864.44x = 234,007.74 × 118,781.64
  4. Step 4: Simplify right side
    169,864.44x = 27,795,823,129.89
  5. Step 5: Solve for x
    x = 27,795,823,129.89/169,864.44
  6. Step 6: Final answer
    x = 163,635.33

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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.