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Finding the Fourth Proportional to 69,300.60, 103,773.78 and 38,101.56

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Solution

The fourth proportional to 69,300.60, 103,773.78 and 38,101.56 is: 57,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,300.60 : 103,773.78 = 38,101.56 : x
  2. Step 2: Convert to fraction form
    69,300.60/103,773.78 = 38,101.56/x
  3. Step 3: Cross multiply
    69,300.60x = 103,773.78 × 38,101.56
  4. Step 4: Simplify right side
    69,300.60x = 3,953,942,905.10
  5. Step 5: Solve for x
    x = 3,953,942,905.10/69,300.60
  6. Step 6: Final answer
    x = 57,054.96

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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.