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Finding the Fourth Proportional to 69,096.29, 103,644.44 and 19,176.40

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Solution

The fourth proportional to 69,096.29, 103,644.44 and 19,176.40 is: 28,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,096.29 : 103,644.44 = 19,176.40 : x
  2. Step 2: Convert to fraction form
    69,096.29/103,644.44 = 19,176.40/x
  3. Step 3: Cross multiply
    69,096.29x = 103,644.44 × 19,176.40
  4. Step 4: Simplify right side
    69,096.29x = 1,987,527,239.22
  5. Step 5: Solve for x
    x = 1,987,527,239.22/69,096.29
  6. Step 6: Final answer
    x = 28,764.60

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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.