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Finding the Fourth Proportional to 266,429.64, 367,668.54 and 145,568.33

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Solution

The fourth proportional to 266,429.64, 367,668.54 and 145,568.33 is: 200,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,429.64 : 367,668.54 = 145,568.33 : x
  2. Step 2: Convert to fraction form
    266,429.64/367,668.54 = 145,568.33/x
  3. Step 3: Cross multiply
    266,429.64x = 367,668.54 × 145,568.33
  4. Step 4: Simplify right side
    266,429.64x = 53,520,893,523.00
  5. Step 5: Solve for x
    x = 53,520,893,523.00/266,429.64
  6. Step 6: Final answer
    x = 200,881.90

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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.