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Finding the Fourth Proportional to 114,024.96, 171,037.80 and 67,245

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Solution

The fourth proportional to 114,024.96, 171,037.80 and 67,245 is: 100,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,024.96 : 171,037.80 = 67,245 : x
  2. Step 2: Convert to fraction form
    114,024.96/171,037.80 = 67,245/x
  3. Step 3: Cross multiply
    114,024.96x = 171,037.80 × 67,245
  4. Step 4: Simplify right side
    114,024.96x = 11,501,436,861
  5. Step 5: Solve for x
    x = 11,501,436,861/114,024.96
  6. Step 6: Final answer
    x = 100,867.71

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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.