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Finding the Fourth Proportional to 125,216.01, 187,845.89 and 55,093.50

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Solution

The fourth proportional to 125,216.01, 187,845.89 and 55,093.50 is: 82,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216.01 : 187,845.89 = 55,093.50 : x
  2. Step 2: Convert to fraction form
    125,216.01/187,845.89 = 55,093.50/x
  3. Step 3: Cross multiply
    125,216.01x = 187,845.89 × 55,093.50
  4. Step 4: Simplify right side
    125,216.01x = 10,349,087,265.25
  5. Step 5: Solve for x
    x = 10,349,087,265.25/125,216.01
  6. Step 6: Final answer
    x = 82,649.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.