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Finding the Fourth Proportional to 69,967.88, 96,487.84 and 44,429.20

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Solution

The fourth proportional to 69,967.88, 96,487.84 and 44,429.20 is: 61,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.88 : 96,487.84 = 44,429.20 : x
  2. Step 2: Convert to fraction form
    69,967.88/96,487.84 = 44,429.20/x
  3. Step 3: Cross multiply
    69,967.88x = 96,487.84 × 44,429.20
  4. Step 4: Simplify right side
    69,967.88x = 4,286,877,540.93
  5. Step 5: Solve for x
    x = 4,286,877,540.93/69,967.88
  6. Step 6: Final answer
    x = 61,269.22

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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.