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Finding the Fourth Proportional to 178,694.68, 268,012.84 and 60,363.40

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Solution

The fourth proportional to 178,694.68, 268,012.84 and 60,363.40 is: 90,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,694.68 : 268,012.84 = 60,363.40 : x
  2. Step 2: Convert to fraction form
    178,694.68/268,012.84 = 60,363.40/x
  3. Step 3: Cross multiply
    178,694.68x = 268,012.84 × 60,363.40
  4. Step 4: Simplify right side
    178,694.68x = 16,178,166,266.06
  5. Step 5: Solve for x
    x = 16,178,166,266.06/178,694.68
  6. Step 6: Final answer
    x = 90,535.24

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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.