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Finding the Fourth Proportional to 179,240.76, 268,861.12 and 54,581.76

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Solution

The fourth proportional to 179,240.76, 268,861.12 and 54,581.76 is: 81,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,240.76 : 268,861.12 = 54,581.76 : x
  2. Step 2: Convert to fraction form
    179,240.76/268,861.12 = 54,581.76/x
  3. Step 3: Cross multiply
    179,240.76x = 268,861.12 × 54,581.76
  4. Step 4: Simplify right side
    179,240.76x = 14,674,913,125.17
  5. Step 5: Solve for x
    x = 14,674,913,125.17/179,240.76
  6. Step 6: Final answer
    x = 81,872.63

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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.