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Finding the Fourth Proportional to 100,630.13, 150,963.42 and 41,433.51

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Solution

The fourth proportional to 100,630.13, 150,963.42 and 41,433.51 is: 62,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,630.13 : 150,963.42 = 41,433.51 : x
  2. Step 2: Convert to fraction form
    100,630.13/150,963.42 = 41,433.51/x
  3. Step 3: Cross multiply
    100,630.13x = 150,963.42 × 41,433.51
  4. Step 4: Simplify right side
    100,630.13x = 6,254,944,372.20
  5. Step 5: Solve for x
    x = 6,254,944,372.20/100,630.13
  6. Step 6: Final answer
    x = 62,157.77

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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.