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Finding the Fourth Proportional to 200,484.54, 300,734.10 and 67,369.14

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Solution

The fourth proportional to 200,484.54, 300,734.10 and 67,369.14 is: 101,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,484.54 : 300,734.10 = 67,369.14 : x
  2. Step 2: Convert to fraction form
    200,484.54/300,734.10 = 67,369.14/x
  3. Step 3: Cross multiply
    200,484.54x = 300,734.10 × 67,369.14
  4. Step 4: Simplify right side
    200,484.54x = 20,260,197,685.67
  5. Step 5: Solve for x
    x = 20,260,197,685.67/200,484.54
  6. Step 6: Final answer
    x = 101,056.16

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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.