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Finding the Fourth Proportional to 266,871.75, 368,279.73 and 146,011.29

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Solution

The fourth proportional to 266,871.75, 368,279.73 and 146,011.29 is: 201,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,871.75 : 368,279.73 = 146,011.29 : x
  2. Step 2: Convert to fraction form
    266,871.75/368,279.73 = 146,011.29/x
  3. Step 3: Cross multiply
    266,871.75x = 368,279.73 × 146,011.29
  4. Step 4: Simplify right side
    266,871.75x = 53,772,999,148.68
  5. Step 5: Solve for x
    x = 53,772,999,148.68/266,871.75
  6. Step 6: Final answer
    x = 201,493.79

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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.