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Finding the Fourth Proportional to 66,425.34, 99,473.88 and 49,517.82

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Solution

The fourth proportional to 66,425.34, 99,473.88 and 49,517.82 is: 74,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425.34 : 99,473.88 = 49,517.82 : x
  2. Step 2: Convert to fraction form
    66,425.34/99,473.88 = 49,517.82/x
  3. Step 3: Cross multiply
    66,425.34x = 99,473.88 × 49,517.82
  4. Step 4: Simplify right side
    66,425.34x = 4,925,729,684.54
  5. Step 5: Solve for x
    x = 4,925,729,684.54/66,425.34
  6. Step 6: Final answer
    x = 74,154.38

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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.