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Finding the Fourth Proportional to 171,372.94, 256,616.61 and 118,228.84

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Solution

The fourth proportional to 171,372.94, 256,616.61 and 118,228.84 is: 177,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,372.94 : 256,616.61 = 118,228.84 : x
  2. Step 2: Convert to fraction form
    171,372.94/256,616.61 = 118,228.84/x
  3. Step 3: Cross multiply
    171,372.94x = 256,616.61 × 118,228.84
  4. Step 4: Simplify right side
    171,372.94x = 30,339,484,125.03
  5. Step 5: Solve for x
    x = 30,339,484,125.03/171,372.94
  6. Step 6: Final answer
    x = 177,037.78

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1.5x scale

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.