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Finding the Fourth Proportional to 179,310.72, 269,006.40 and 54,664.32

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Solution

The fourth proportional to 179,310.72, 269,006.40 and 54,664.32 is: 82,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,310.72 : 269,006.40 = 54,664.32 : x
  2. Step 2: Convert to fraction form
    179,310.72/269,006.40 = 54,664.32/x
  3. Step 3: Cross multiply
    179,310.72x = 269,006.40 × 54,664.32
  4. Step 4: Simplify right side
    179,310.72x = 14,705,051,931.65
  5. Step 5: Solve for x
    x = 14,705,051,931.65/179,310.72
  6. Step 6: Final answer
    x = 82,008.77

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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.