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Finding the Fourth Proportional to 164,456.73, 226,960.92 and 92,810.61

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Solution

The fourth proportional to 164,456.73, 226,960.92 and 92,810.61 is: 128,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,456.73 : 226,960.92 = 92,810.61 : x
  2. Step 2: Convert to fraction form
    164,456.73/226,960.92 = 92,810.61/x
  3. Step 3: Cross multiply
    164,456.73x = 226,960.92 × 92,810.61
  4. Step 4: Simplify right side
    164,456.73x = 21,064,381,431.36
  5. Step 5: Solve for x
    x = 21,064,381,431.36/164,456.73
  6. Step 6: Final answer
    x = 128,084.64

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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.