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Finding the Fourth Proportional to 101,057.41, 151,625.40 and 41,878

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Solution

The fourth proportional to 101,057.41, 151,625.40 and 41,878 is: 62,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,057.41 : 151,625.40 = 41,878 : x
  2. Step 2: Convert to fraction form
    101,057.41/151,625.40 = 41,878/x
  3. Step 3: Cross multiply
    101,057.41x = 151,625.40 × 41,878
  4. Step 4: Simplify right side
    101,057.41x = 6,349,768,501.20
  5. Step 5: Solve for x
    x = 6,349,768,501.20/101,057.41
  6. Step 6: Final answer
    x = 62,833.28

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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.