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Finding the Fourth Proportional to 100,329.60, 150,579.45 and 41,207.70

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Solution

The fourth proportional to 100,329.60, 150,579.45 and 41,207.70 is: 61,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,329.60 : 150,579.45 = 41,207.70 : x
  2. Step 2: Convert to fraction form
    100,329.60/150,579.45 = 41,207.70/x
  3. Step 3: Cross multiply
    100,329.60x = 150,579.45 × 41,207.70
  4. Step 4: Simplify right side
    100,329.60x = 6,205,032,801.77
  5. Step 5: Solve for x
    x = 6,205,032,801.77/100,329.60
  6. Step 6: Final answer
    x = 61,846.48

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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.