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Finding the Fourth Proportional to 171,065.28, 256,532.32 and 58,724.56

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Solution

The fourth proportional to 171,065.28, 256,532.32 and 58,724.56 is: 88,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,065.28 : 256,532.32 = 58,724.56 : x
  2. Step 2: Convert to fraction form
    171,065.28/256,532.32 = 58,724.56/x
  3. Step 3: Cross multiply
    171,065.28x = 256,532.32 × 58,724.56
  4. Step 4: Simplify right side
    171,065.28x = 15,064,747,617.78
  5. Step 5: Solve for x
    x = 15,064,747,617.78/171,065.28
  6. Step 6: Final answer
    x = 88,064.32

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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.