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Finding the Fourth Proportional to 250,650.88, 345,903.60 and 137,473.36

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Solution

The fourth proportional to 250,650.88, 345,903.60 and 137,473.36 is: 189,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,650.88 : 345,903.60 = 137,473.36 : x
  2. Step 2: Convert to fraction form
    250,650.88/345,903.60 = 137,473.36/x
  3. Step 3: Cross multiply
    250,650.88x = 345,903.60 × 137,473.36
  4. Step 4: Simplify right side
    250,650.88x = 47,552,530,128.10
  5. Step 5: Solve for x
    x = 47,552,530,128.10/250,650.88
  6. Step 6: Final answer
    x = 189,716.19

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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.