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Finding the Fourth Proportional to 171,027.20, 255,957.60 and 171,027.20

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Solution

The fourth proportional to 171,027.20, 255,957.60 and 171,027.20 is: 255,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,027.20 : 255,957.60 = 171,027.20 : x
  2. Step 2: Convert to fraction form
    171,027.20/255,957.60 = 171,027.20/x
  3. Step 3: Cross multiply
    171,027.20x = 255,957.60 × 171,027.20
  4. Step 4: Simplify right side
    171,027.20x = 43,775,711,646.72
  5. Step 5: Solve for x
    x = 43,775,711,646.72/171,027.20
  6. Step 6: Final answer
    x = 255,957.60

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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.