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Finding the Fourth Proportional to 131,625.52, 181,642.44 and 75,035.68

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Solution

The fourth proportional to 131,625.52, 181,642.44 and 75,035.68 is: 103,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,625.52 : 181,642.44 = 75,035.68 : x
  2. Step 2: Convert to fraction form
    131,625.52/181,642.44 = 75,035.68/x
  3. Step 3: Cross multiply
    131,625.52x = 181,642.44 × 75,035.68
  4. Step 4: Simplify right side
    131,625.52x = 13,629,664,002.26
  5. Step 5: Solve for x
    x = 13,629,664,002.26/131,625.52
  6. Step 6: Final answer
    x = 103,548.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.