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Finding the Fourth Proportional to 100,551.70, 150,827.55 and 41,429.80

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Solution

The fourth proportional to 100,551.70, 150,827.55 and 41,429.80 is: 62,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,551.70 : 150,827.55 = 41,429.80 : x
  2. Step 2: Convert to fraction form
    100,551.70/150,827.55 = 41,429.80/x
  3. Step 3: Cross multiply
    100,551.70x = 150,827.55 × 41,429.80
  4. Step 4: Simplify right side
    100,551.70x = 6,248,755,230.99
  5. Step 5: Solve for x
    x = 6,248,755,230.99/100,551.70
  6. Step 6: Final answer
    x = 62,144.70

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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.