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Finding the Fourth Proportional to 298,459.74, 447,738.24 and 88,118.94

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Solution

The fourth proportional to 298,459.74, 447,738.24 and 88,118.94 is: 132,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,459.74 : 447,738.24 = 88,118.94 : x
  2. Step 2: Convert to fraction form
    298,459.74/447,738.24 = 88,118.94/x
  3. Step 3: Cross multiply
    298,459.74x = 447,738.24 × 88,118.94
  4. Step 4: Simplify right side
    298,459.74x = 39,454,219,106.27
  5. Step 5: Solve for x
    x = 39,454,219,106.27/298,459.74
  6. Step 6: Final answer
    x = 132,192.77

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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.