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Finding the Fourth Proportional to 69,438.44, 95,866.34 and 43,966.64

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Solution

The fourth proportional to 69,438.44, 95,866.34 and 43,966.64 is: 60,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.44 : 95,866.34 = 43,966.64 : x
  2. Step 2: Convert to fraction form
    69,438.44/95,866.34 = 43,966.64/x
  3. Step 3: Cross multiply
    69,438.44x = 95,866.34 × 43,966.64
  4. Step 4: Simplify right side
    69,438.44x = 4,214,920,858.90
  5. Step 5: Solve for x
    x = 4,214,920,858.90/69,438.44
  6. Step 6: Final answer
    x = 60,700.11

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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.