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Finding the Fourth Proportional to 179,808.49, 269,712.87 and 61,480.72

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Solution

The fourth proportional to 179,808.49, 269,712.87 and 61,480.72 is: 92,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,808.49 : 269,712.87 = 61,480.72 : x
  2. Step 2: Convert to fraction form
    179,808.49/269,712.87 = 61,480.72/x
  3. Step 3: Cross multiply
    179,808.49x = 269,712.87 × 61,480.72
  4. Step 4: Simplify right side
    179,808.49x = 16,582,141,440.87
  5. Step 5: Solve for x
    x = 16,582,141,440.87/179,808.49
  6. Step 6: Final answer
    x = 92,221.13

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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.