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Finding the Fourth Proportional to 298,591.25, 448,079.57 and 109,035.76

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Solution

The fourth proportional to 298,591.25, 448,079.57 and 109,035.76 is: 163,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,591.25 : 448,079.57 = 109,035.76 : x
  2. Step 2: Convert to fraction form
    298,591.25/448,079.57 = 109,035.76/x
  3. Step 3: Cross multiply
    298,591.25x = 448,079.57 × 109,035.76
  4. Step 4: Simplify right side
    298,591.25x = 48,856,696,455.42
  5. Step 5: Solve for x
    x = 48,856,696,455.42/298,591.25
  6. Step 6: Final answer
    x = 163,624.01

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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.