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Finding the Fourth Proportional to 69,502.96, 104,195.72 and 47,253.84

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Solution

The fourth proportional to 69,502.96, 104,195.72 and 47,253.84 is: 70,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.96 : 104,195.72 = 47,253.84 : x
  2. Step 2: Convert to fraction form
    69,502.96/104,195.72 = 47,253.84/x
  3. Step 3: Cross multiply
    69,502.96x = 104,195.72 × 47,253.84
  4. Step 4: Simplify right side
    69,502.96x = 4,923,647,881.56
  5. Step 5: Solve for x
    x = 4,923,647,881.56/69,502.96
  6. Step 6: Final answer
    x = 70,840.84

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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.