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Finding the Fourth Proportional to 171,037.80, 256,584.78 and 52,709.16

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Solution

The fourth proportional to 171,037.80, 256,584.78 and 52,709.16 is: 79,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.80 : 256,584.78 = 52,709.16 : x
  2. Step 2: Convert to fraction form
    171,037.80/256,584.78 = 52,709.16/x
  3. Step 3: Cross multiply
    171,037.80x = 256,584.78 × 52,709.16
  4. Step 4: Simplify right side
    171,037.80x = 13,524,368,222.58
  5. Step 5: Solve for x
    x = 13,524,368,222.58/171,037.80
  6. Step 6: Final answer
    x = 79,072.39

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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.