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Finding the Fourth Proportional to 266,911.88, 368,343.06 and 146,063.88

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Solution

The fourth proportional to 266,911.88, 368,343.06 and 146,063.88 is: 201,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,911.88 : 368,343.06 = 146,063.88 : x
  2. Step 2: Convert to fraction form
    266,911.88/368,343.06 = 146,063.88/x
  3. Step 3: Cross multiply
    266,911.88x = 368,343.06 × 146,063.88
  4. Step 4: Simplify right side
    266,911.88x = 53,801,616,514.67
  5. Step 5: Solve for x
    x = 53,801,616,514.67/266,911.88
  6. Step 6: Final answer
    x = 201,570.71

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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.