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Finding the Fourth Proportional to 171,501.56, 256,028.81 and 160,104.61

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Solution

The fourth proportional to 171,501.56, 256,028.81 and 160,104.61 is: 239,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,501.56 : 256,028.81 = 160,104.61 : x
  2. Step 2: Convert to fraction form
    171,501.56/256,028.81 = 160,104.61/x
  3. Step 3: Cross multiply
    171,501.56x = 256,028.81 × 160,104.61
  4. Step 4: Simplify right side
    171,501.56x = 40,991,393,644.21
  5. Step 5: Solve for x
    x = 40,991,393,644.21/171,501.56
  6. Step 6: Final answer
    x = 239,014.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.