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Finding the Fourth Proportional to 266,564.84, 367,845.30 and 145,682.84

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Solution

The fourth proportional to 266,564.84, 367,845.30 and 145,682.84 is: 201,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,564.84 : 367,845.30 = 145,682.84 : x
  2. Step 2: Convert to fraction form
    266,564.84/367,845.30 = 145,682.84/x
  3. Step 3: Cross multiply
    266,564.84x = 367,845.30 × 145,682.84
  4. Step 4: Simplify right side
    266,564.84x = 53,588,747,984.65
  5. Step 5: Solve for x
    x = 53,588,747,984.65/266,564.84
  6. Step 6: Final answer
    x = 201,034.57

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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.