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Finding the Fourth Proportional to 179,617.60, 268,965.60 and 171,323.20

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Solution

The fourth proportional to 179,617.60, 268,965.60 and 171,323.20 is: 256,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,617.60 : 268,965.60 = 171,323.20 : x
  2. Step 2: Convert to fraction form
    179,617.60/268,965.60 = 171,323.20/x
  3. Step 3: Cross multiply
    179,617.60x = 268,965.60 × 171,323.20
  4. Step 4: Simplify right side
    179,617.60x = 46,080,047,281.92
  5. Step 5: Solve for x
    x = 46,080,047,281.92/179,617.60
  6. Step 6: Final answer
    x = 256,545.28

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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.