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Finding the Fourth Proportional to 66,193.47, 99,290.21 and 46,559.88

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Solution

The fourth proportional to 66,193.47, 99,290.21 and 46,559.88 is: 69,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193.47 : 99,290.21 = 46,559.88 : x
  2. Step 2: Convert to fraction form
    66,193.47/99,290.21 = 46,559.88/x
  3. Step 3: Cross multiply
    66,193.47x = 99,290.21 × 46,559.88
  4. Step 4: Simplify right side
    66,193.47x = 4,622,940,029.98
  5. Step 5: Solve for x
    x = 4,622,940,029.98/66,193.47
  6. Step 6: Final answer
    x = 69,839.82

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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.