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Finding the Fourth Proportional to 92,050.83, 138,130.92 and 35,896.87

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Solution

The fourth proportional to 92,050.83, 138,130.92 and 35,896.87 is: 53,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,050.83 : 138,130.92 = 35,896.87 : x
  2. Step 2: Convert to fraction form
    92,050.83/138,130.92 = 35,896.87/x
  3. Step 3: Cross multiply
    92,050.83x = 138,130.92 × 35,896.87
  4. Step 4: Simplify right side
    92,050.83x = 4,958,467,850.88
  5. Step 5: Solve for x
    x = 4,958,467,850.88/92,050.83
  6. Step 6: Final answer
    x = 53,866.63

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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.