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Finding the Fourth Proportional to 148,487.52, 222,625.44 and 69,558.68

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Solution

The fourth proportional to 148,487.52, 222,625.44 and 69,558.68 is: 104,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.52 : 222,625.44 = 69,558.68 : x
  2. Step 2: Convert to fraction form
    148,487.52/222,625.44 = 69,558.68/x
  3. Step 3: Cross multiply
    148,487.52x = 222,625.44 × 69,558.68
  4. Step 4: Simplify right side
    148,487.52x = 15,485,531,740.82
  5. Step 5: Solve for x
    x = 15,485,531,740.82/148,487.52
  6. Step 6: Final answer
    x = 104,288.44

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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.