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Finding the Fourth Proportional to 100,703.68, 150,957 and 41,589.16

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Solution

The fourth proportional to 100,703.68, 150,957 and 41,589.16 is: 62,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,703.68 : 150,957 = 41,589.16 : x
  2. Step 2: Convert to fraction form
    100,703.68/150,957 = 41,589.16/x
  3. Step 3: Cross multiply
    100,703.68x = 150,957 × 41,589.16
  4. Step 4: Simplify right side
    100,703.68x = 6,278,174,826.12
  5. Step 5: Solve for x
    x = 6,278,174,826.12/100,703.68
  6. Step 6: Final answer
    x = 62,343.05

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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.