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Finding the Fourth Proportional to 298,449.74, 447,723.21 and 88,108.94

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Solution

The fourth proportional to 298,449.74, 447,723.21 and 88,108.94 is: 132,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,449.74 : 447,723.21 = 88,108.94 : x
  2. Step 2: Convert to fraction form
    298,449.74/447,723.21 = 88,108.94/x
  3. Step 3: Cross multiply
    298,449.74x = 447,723.21 × 88,108.94
  4. Step 4: Simplify right side
    298,449.74x = 39,448,417,446.50
  5. Step 5: Solve for x
    x = 39,448,417,446.50/298,449.74
  6. Step 6: Final answer
    x = 132,177.76

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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.