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Finding the Fourth Proportional to 356,163.53, 534,161.43 and 103,377.33

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Solution

The fourth proportional to 356,163.53, 534,161.43 and 103,377.33 is: 155,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,163.53 : 534,161.43 = 103,377.33 : x
  2. Step 2: Convert to fraction form
    356,163.53/534,161.43 = 103,377.33/x
  3. Step 3: Cross multiply
    356,163.53x = 534,161.43 × 103,377.33
  4. Step 4: Simplify right side
    356,163.53x = 55,220,182,422.38
  5. Step 5: Solve for x
    x = 55,220,182,422.38/356,163.53
  6. Step 6: Final answer
    x = 155,041.66

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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.