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Finding the Fourth Proportional to 56,250.48, 84,010.44 and 50,974.80

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Solution

The fourth proportional to 56,250.48, 84,010.44 and 50,974.80 is: 76,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,250.48 : 84,010.44 = 50,974.80 : x
  2. Step 2: Convert to fraction form
    56,250.48/84,010.44 = 50,974.80/x
  3. Step 3: Cross multiply
    56,250.48x = 84,010.44 × 50,974.80
  4. Step 4: Simplify right side
    56,250.48x = 4,282,415,376.91
  5. Step 5: Solve for x
    x = 4,282,415,376.91/56,250.48
  6. Step 6: Final answer
    x = 76,131.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.