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Finding the Fourth Proportional to 66,077.93, 99,182.52 and 51,446.90

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Solution

The fourth proportional to 66,077.93, 99,182.52 and 51,446.90 is: 77,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,077.93 : 99,182.52 = 51,446.90 : x
  2. Step 2: Convert to fraction form
    66,077.93/99,182.52 = 51,446.90/x
  3. Step 3: Cross multiply
    66,077.93x = 99,182.52 × 51,446.90
  4. Step 4: Simplify right side
    66,077.93x = 5,102,632,692.28
  5. Step 5: Solve for x
    x = 5,102,632,692.28/66,077.93
  6. Step 6: Final answer
    x = 77,221.44

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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.