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Finding the Fourth Proportional to 164,605.31, 227,173.77 and 92,989.95

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Solution

The fourth proportional to 164,605.31, 227,173.77 and 92,989.95 is: 128,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,605.31 : 227,173.77 = 92,989.95 : x
  2. Step 2: Convert to fraction form
    164,605.31/227,173.77 = 92,989.95/x
  3. Step 3: Cross multiply
    164,605.31x = 227,173.77 × 92,989.95
  4. Step 4: Simplify right side
    164,605.31x = 21,124,876,661.71
  5. Step 5: Solve for x
    x = 21,124,876,661.71/164,605.31
  6. Step 6: Final answer
    x = 128,336.55

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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.