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Finding the Fourth Proportional to 171,197.50, 256,797.06 and 60,389.50

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Solution

The fourth proportional to 171,197.50, 256,797.06 and 60,389.50 is: 90,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,197.50 : 256,797.06 = 60,389.50 : x
  2. Step 2: Convert to fraction form
    171,197.50/256,797.06 = 60,389.50/x
  3. Step 3: Cross multiply
    171,197.50x = 256,797.06 × 60,389.50
  4. Step 4: Simplify right side
    171,197.50x = 15,507,846,054.87
  5. Step 5: Solve for x
    x = 15,507,846,054.87/171,197.50
  6. Step 6: Final answer
    x = 90,584.54

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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.