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Finding the Fourth Proportional to 88,943.82, 122,745.51 and 50,709.05

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Solution

The fourth proportional to 88,943.82, 122,745.51 and 50,709.05 is: 69,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,943.82 : 122,745.51 = 50,709.05 : x
  2. Step 2: Convert to fraction form
    88,943.82/122,745.51 = 50,709.05/x
  3. Step 3: Cross multiply
    88,943.82x = 122,745.51 × 50,709.05
  4. Step 4: Simplify right side
    88,943.82x = 6,224,308,203.87
  5. Step 5: Solve for x
    x = 6,224,308,203.87/88,943.82
  6. Step 6: Final answer
    x = 69,980.22

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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.