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Finding the Fourth Proportional to 365,864.55, 548,960.85 and 166,082.10

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Solution

The fourth proportional to 365,864.55, 548,960.85 and 166,082.10 is: 249,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,864.55 : 548,960.85 = 166,082.10 : x
  2. Step 2: Convert to fraction form
    365,864.55/548,960.85 = 166,082.10/x
  3. Step 3: Cross multiply
    365,864.55x = 548,960.85 × 166,082.10
  4. Step 4: Simplify right side
    365,864.55x = 91,172,570,785.79
  5. Step 5: Solve for x
    x = 91,172,570,785.79/365,864.55
  6. Step 6: Final answer
    x = 249,197.61

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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.