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Finding the Fourth Proportional to 550,131.88, 825,209.34 and 176,153.80

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Solution

The fourth proportional to 550,131.88, 825,209.34 and 176,153.80 is: 264,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,131.88 : 825,209.34 = 176,153.80 : x
  2. Step 2: Convert to fraction form
    550,131.88/825,209.34 = 176,153.80/x
  3. Step 3: Cross multiply
    550,131.88x = 825,209.34 × 176,153.80
  4. Step 4: Simplify right side
    550,131.88x = 145,363,761,036.49
  5. Step 5: Solve for x
    x = 145,363,761,036.49/550,131.88
  6. Step 6: Final answer
    x = 264,234.39

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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.