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Finding the Fourth Proportional to 323,091.92, 484,715.64 and 136,156.88

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Solution

The fourth proportional to 323,091.92, 484,715.64 and 136,156.88 is: 204,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,091.92 : 484,715.64 = 136,156.88 : x
  2. Step 2: Convert to fraction form
    323,091.92/484,715.64 = 136,156.88/x
  3. Step 3: Cross multiply
    323,091.92x = 484,715.64 × 136,156.88
  4. Step 4: Simplify right side
    323,091.92x = 65,997,369,229.60
  5. Step 5: Solve for x
    x = 65,997,369,229.60/323,091.92
  6. Step 6: Final answer
    x = 204,268.09

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1.5x scale

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.