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Finding the Fourth Proportional to 266,036.79, 399,058.83 and 88,544.43

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Solution

The fourth proportional to 266,036.79, 399,058.83 and 88,544.43 is: 132,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,036.79 : 399,058.83 = 88,544.43 : x
  2. Step 2: Convert to fraction form
    266,036.79/399,058.83 = 88,544.43/x
  3. Step 3: Cross multiply
    266,036.79x = 399,058.83 × 88,544.43
  4. Step 4: Simplify right side
    266,036.79x = 35,334,436,638.82
  5. Step 5: Solve for x
    x = 35,334,436,638.82/266,036.79
  6. Step 6: Final answer
    x = 132,817.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.