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Finding the Fourth Proportional to 171,105.49, 256,572.57 and 52,761.45

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Solution

The fourth proportional to 171,105.49, 256,572.57 and 52,761.45 is: 79,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,105.49 : 256,572.57 = 52,761.45 : x
  2. Step 2: Convert to fraction form
    171,105.49/256,572.57 = 52,761.45/x
  3. Step 3: Cross multiply
    171,105.49x = 256,572.57 × 52,761.45
  4. Step 4: Simplify right side
    171,105.49x = 13,537,140,823.43
  5. Step 5: Solve for x
    x = 13,537,140,823.43/171,105.49
  6. Step 6: Final answer
    x = 79,115.76

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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.