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Finding the Fourth Proportional to 164,781.39, 227,409.98 and 93,162.09

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Solution

The fourth proportional to 164,781.39, 227,409.98 and 93,162.09 is: 128,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,781.39 : 227,409.98 = 93,162.09 : x
  2. Step 2: Convert to fraction form
    164,781.39/227,409.98 = 93,162.09/x
  3. Step 3: Cross multiply
    164,781.39x = 227,409.98 × 93,162.09
  4. Step 4: Simplify right side
    164,781.39x = 21,185,988,557.85
  5. Step 5: Solve for x
    x = 21,185,988,557.85/164,781.39
  6. Step 6: Final answer
    x = 128,570.27

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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.