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Finding the Fourth Proportional to 66,796.59, 92,241.74 and 42,964.63

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Solution

The fourth proportional to 66,796.59, 92,241.74 and 42,964.63 is: 59,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,796.59 : 92,241.74 = 42,964.63 : x
  2. Step 2: Convert to fraction form
    66,796.59/92,241.74 = 42,964.63/x
  3. Step 3: Cross multiply
    66,796.59x = 92,241.74 × 42,964.63
  4. Step 4: Simplify right side
    66,796.59x = 3,963,132,245.44
  5. Step 5: Solve for x
    x = 3,963,132,245.44/66,796.59
  6. Step 6: Final answer
    x = 59,331.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.