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Finding the Fourth Proportional to 179,186, 268,817.88 and 54,523.76

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Solution

The fourth proportional to 179,186, 268,817.88 and 54,523.76 is: 81,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,186 : 268,817.88 = 54,523.76 : x
  2. Step 2: Convert to fraction form
    179,186/268,817.88 = 54,523.76/x
  3. Step 3: Cross multiply
    179,186x = 268,817.88 × 54,523.76
  4. Step 4: Simplify right side
    179,186x = 14,656,961,572.83
  5. Step 5: Solve for x
    x = 14,656,961,572.83/179,186
  6. Step 6: Final answer
    x = 81,797.47

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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.