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Finding the Fourth Proportional to 56,201.48, 84,054.21 and 50,004.98

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Solution

The fourth proportional to 56,201.48, 84,054.21 and 50,004.98 is: 74,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.48 : 84,054.21 = 50,004.98 : x
  2. Step 2: Convert to fraction form
    56,201.48/84,054.21 = 50,004.98/x
  3. Step 3: Cross multiply
    56,201.48x = 84,054.21 × 50,004.98
  4. Step 4: Simplify right side
    56,201.48x = 4,203,128,669.69
  5. Step 5: Solve for x
    x = 4,203,128,669.69/56,201.48
  6. Step 6: Final answer
    x = 74,786.80

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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.