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Finding the Fourth Proportional to 69,593.49, 104,386.46 and 42,944.56

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Solution

The fourth proportional to 69,593.49, 104,386.46 and 42,944.56 is: 64,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,593.49 : 104,386.46 = 42,944.56 : x
  2. Step 2: Convert to fraction form
    69,593.49/104,386.46 = 42,944.56/x
  3. Step 3: Cross multiply
    69,593.49x = 104,386.46 × 42,944.56
  4. Step 4: Simplify right side
    69,593.49x = 4,482,830,118.97
  5. Step 5: Solve for x
    x = 4,482,830,118.97/69,593.49
  6. Step 6: Final answer
    x = 64,414.50

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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.