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Finding the Fourth Proportional to 192,952.62, 266,128.18 and 169,037.78

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Solution

The fourth proportional to 192,952.62, 266,128.18 and 169,037.78 is: 233,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,952.62 : 266,128.18 = 169,037.78 : x
  2. Step 2: Convert to fraction form
    192,952.62/266,128.18 = 169,037.78/x
  3. Step 3: Cross multiply
    192,952.62x = 266,128.18 × 169,037.78
  4. Step 4: Simplify right side
    192,952.62x = 44,985,716,742.64
  5. Step 5: Solve for x
    x = 44,985,716,742.64/192,952.62
  6. Step 6: Final answer
    x = 233,143.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.