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Finding the Fourth Proportional to 171,338.37, 236,571.69 and 137,532.82

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Solution

The fourth proportional to 171,338.37, 236,571.69 and 137,532.82 is: 189,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,338.37 : 236,571.69 = 137,532.82 : x
  2. Step 2: Convert to fraction form
    171,338.37/236,571.69 = 137,532.82/x
  3. Step 3: Cross multiply
    171,338.37x = 236,571.69 × 137,532.82
  4. Step 4: Simplify right side
    171,338.37x = 32,536,371,657.87
  5. Step 5: Solve for x
    x = 32,536,371,657.87/171,338.37
  6. Step 6: Final answer
    x = 189,895.42

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1.5x scale

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.