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Finding the Fourth Proportional to 178,744.94, 246,674.67 and 98,174.78

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Solution

The fourth proportional to 178,744.94, 246,674.67 and 98,174.78 is: 135,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,744.94 : 246,674.67 = 98,174.78 : x
  2. Step 2: Convert to fraction form
    178,744.94/246,674.67 = 98,174.78/x
  3. Step 3: Cross multiply
    178,744.94x = 246,674.67 × 98,174.78
  4. Step 4: Simplify right side
    178,744.94x = 24,217,231,458.82
  5. Step 5: Solve for x
    x = 24,217,231,458.82/178,744.94
  6. Step 6: Final answer
    x = 135,484.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.