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Finding the Fourth Proportional to 159,751.50, 220,457.07 and 92,696.46

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Solution

The fourth proportional to 159,751.50, 220,457.07 and 92,696.46 is: 127,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.50 : 220,457.07 = 92,696.46 : x
  2. Step 2: Convert to fraction form
    159,751.50/220,457.07 = 92,696.46/x
  3. Step 3: Cross multiply
    159,751.50x = 220,457.07 × 92,696.46
  4. Step 4: Simplify right side
    159,751.50x = 20,435,589,970.97
  5. Step 5: Solve for x
    x = 20,435,589,970.97/159,751.50
  6. Step 6: Final answer
    x = 127,921.11

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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.