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Finding the Fourth Proportional to 66,098.70, 99,027.76 and 59,012.82

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Solution

The fourth proportional to 66,098.70, 99,027.76 and 59,012.82 is: 88,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.70 : 99,027.76 = 59,012.82 : x
  2. Step 2: Convert to fraction form
    66,098.70/99,027.76 = 59,012.82/x
  3. Step 3: Cross multiply
    66,098.70x = 99,027.76 × 59,012.82
  4. Step 4: Simplify right side
    66,098.70x = 5,843,907,375.88
  5. Step 5: Solve for x
    x = 5,843,907,375.88/66,098.70
  6. Step 6: Final answer
    x = 88,411.84

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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.