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Finding the Fourth Proportional to 192,752.73, 266,082.30 and 145,017.81

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Solution

The fourth proportional to 192,752.73, 266,082.30 and 145,017.81 is: 200,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,752.73 : 266,082.30 = 145,017.81 : x
  2. Step 2: Convert to fraction form
    192,752.73/266,082.30 = 145,017.81/x
  3. Step 3: Cross multiply
    192,752.73x = 266,082.30 × 145,017.81
  4. Step 4: Simplify right side
    192,752.73x = 38,586,672,425.76
  5. Step 5: Solve for x
    x = 38,586,672,425.76/192,752.73
  6. Step 6: Final answer
    x = 200,187.42

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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.