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Finding the Fourth Proportional to 69,812.37, 96,399.24 and 64,747.08

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Solution

The fourth proportional to 69,812.37, 96,399.24 and 64,747.08 is: 89,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.37 : 96,399.24 = 64,747.08 : x
  2. Step 2: Convert to fraction form
    69,812.37/96,399.24 = 64,747.08/x
  3. Step 3: Cross multiply
    69,812.37x = 96,399.24 × 64,747.08
  4. Step 4: Simplify right side
    69,812.37x = 6,241,569,304.22
  5. Step 5: Solve for x
    x = 6,241,569,304.22/69,812.37
  6. Step 6: Final answer
    x = 89,404.92

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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.