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Finding the Fourth Proportional to 171,188.56, 256,782.12 and 46,529.20

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Solution

The fourth proportional to 171,188.56, 256,782.12 and 46,529.20 is: 69,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,188.56 : 256,782.12 = 46,529.20 : x
  2. Step 2: Convert to fraction form
    171,188.56/256,782.12 = 46,529.20/x
  3. Step 3: Cross multiply
    171,188.56x = 256,782.12 × 46,529.20
  4. Step 4: Simplify right side
    171,188.56x = 11,947,866,617.90
  5. Step 5: Solve for x
    x = 11,947,866,617.90/171,188.56
  6. Step 6: Final answer
    x = 69,793.60

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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.