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Finding the Fourth Proportional to 69,330.60, 103,962.96 and 34,229.25

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Solution

The fourth proportional to 69,330.60, 103,962.96 and 34,229.25 is: 51,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,330.60 : 103,962.96 = 34,229.25 : x
  2. Step 2: Convert to fraction form
    69,330.60/103,962.96 = 34,229.25/x
  3. Step 3: Cross multiply
    69,330.60x = 103,962.96 × 34,229.25
  4. Step 4: Simplify right side
    69,330.60x = 3,558,574,148.58
  5. Step 5: Solve for x
    x = 3,558,574,148.58/69,330.60
  6. Step 6: Final answer
    x = 51,327.61

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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.