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Finding the Fourth Proportional to 179,804, 269,718.96 and 68,996

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Solution

The fourth proportional to 179,804, 269,718.96 and 68,996 is: 103,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,804 : 269,718.96 = 68,996 : x
  2. Step 2: Convert to fraction form
    179,804/269,718.96 = 68,996/x
  3. Step 3: Cross multiply
    179,804x = 269,718.96 × 68,996
  4. Step 4: Simplify right side
    179,804x = 18,609,529,364.16
  5. Step 5: Solve for x
    x = 18,609,529,364.16/179,804
  6. Step 6: Final answer
    x = 103,498.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.