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Finding the Fourth Proportional to 100,889.94, 151,299.42 and 29,793.60

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Solution

The fourth proportional to 100,889.94, 151,299.42 and 29,793.60 is: 44,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,889.94 : 151,299.42 = 29,793.60 : x
  2. Step 2: Convert to fraction form
    100,889.94/151,299.42 = 29,793.60/x
  3. Step 3: Cross multiply
    100,889.94x = 151,299.42 × 29,793.60
  4. Step 4: Simplify right side
    100,889.94x = 4,507,754,399.71
  5. Step 5: Solve for x
    x = 4,507,754,399.71/100,889.94
  6. Step 6: Final answer
    x = 44,679.92

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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.