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Finding the Fourth Proportional to 266,429.44, 367,668.48 and 145,569.28

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Solution

The fourth proportional to 266,429.44, 367,668.48 and 145,569.28 is: 200,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,429.44 : 367,668.48 = 145,569.28 : x
  2. Step 2: Convert to fraction form
    266,429.44/367,668.48 = 145,569.28/x
  3. Step 3: Cross multiply
    266,429.44x = 367,668.48 × 145,569.28
  4. Step 4: Simplify right side
    266,429.44x = 53,521,235,912.29
  5. Step 5: Solve for x
    x = 53,521,235,912.29/266,429.44
  6. Step 6: Final answer
    x = 200,883.34

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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.