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Finding the Fourth Proportional to 266,994.69, 368,452.79 and 146,136.02

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Solution

The fourth proportional to 266,994.69, 368,452.79 and 146,136.02 is: 201,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,994.69 : 368,452.79 = 146,136.02 : x
  2. Step 2: Convert to fraction form
    266,994.69/368,452.79 = 146,136.02/x
  3. Step 3: Cross multiply
    266,994.69x = 368,452.79 × 146,136.02
  4. Step 4: Simplify right side
    266,994.69x = 53,844,221,715.55
  5. Step 5: Solve for x
    x = 53,844,221,715.55/266,994.69
  6. Step 6: Final answer
    x = 201,667.76

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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.