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Finding the Fourth Proportional to 171,004.80, 256,507.20 and 96,355.20

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Solution

The fourth proportional to 171,004.80, 256,507.20 and 96,355.20 is: 144,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,004.80 : 256,507.20 = 96,355.20 : x
  2. Step 2: Convert to fraction form
    171,004.80/256,507.20 = 96,355.20/x
  3. Step 3: Cross multiply
    171,004.80x = 256,507.20 × 96,355.20
  4. Step 4: Simplify right side
    171,004.80x = 24,715,802,557.44
  5. Step 5: Solve for x
    x = 24,715,802,557.44/171,004.80
  6. Step 6: Final answer
    x = 144,532.80

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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.