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Finding the Fourth Proportional to 179,640.76, 269,314.98 and 67,258

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Solution

The fourth proportional to 179,640.76, 269,314.98 and 67,258 is: 100,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,640.76 : 269,314.98 = 67,258 : x
  2. Step 2: Convert to fraction form
    179,640.76/269,314.98 = 67,258/x
  3. Step 3: Cross multiply
    179,640.76x = 269,314.98 × 67,258
  4. Step 4: Simplify right side
    179,640.76x = 18,113,586,924.84
  5. Step 5: Solve for x
    x = 18,113,586,924.84/179,640.76
  6. Step 6: Final answer
    x = 100,832.28

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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.