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Finding the Fourth Proportional to 66,063.91, 99,123.66 and 41,124.82

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Solution

The fourth proportional to 66,063.91, 99,123.66 and 41,124.82 is: 61,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.91 : 99,123.66 = 41,124.82 : x
  2. Step 2: Convert to fraction form
    66,063.91/99,123.66 = 41,124.82/x
  3. Step 3: Cross multiply
    66,063.91x = 99,123.66 × 41,124.82
  4. Step 4: Simplify right side
    66,063.91x = 4,076,442,675.24
  5. Step 5: Solve for x
    x = 4,076,442,675.24/66,063.91
  6. Step 6: Final answer
    x = 61,704.53

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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.