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Finding the Fourth Proportional to 367,981.92, 551,990.70 and 101,736.54

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Solution

The fourth proportional to 367,981.92, 551,990.70 and 101,736.54 is: 152,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,981.92 : 551,990.70 = 101,736.54 : x
  2. Step 2: Convert to fraction form
    367,981.92/551,990.70 = 101,736.54/x
  3. Step 3: Cross multiply
    367,981.92x = 551,990.70 × 101,736.54
  4. Step 4: Simplify right side
    367,981.92x = 56,157,623,930.18
  5. Step 5: Solve for x
    x = 56,157,623,930.18/367,981.92
  6. Step 6: Final answer
    x = 152,609.74

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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.