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Finding the Fourth Proportional to 351,375.52, 526,726.57 and 148,692.81

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Solution

The fourth proportional to 351,375.52, 526,726.57 and 148,692.81 is: 222,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,375.52 : 526,726.57 = 148,692.81 : x
  2. Step 2: Convert to fraction form
    351,375.52/526,726.57 = 148,692.81/x
  3. Step 3: Cross multiply
    351,375.52x = 526,726.57 × 148,692.81
  4. Step 4: Simplify right side
    351,375.52x = 78,320,453,051.50
  5. Step 5: Solve for x
    x = 78,320,453,051.50/351,375.52
  6. Step 6: Final answer
    x = 222,896.73

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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.