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Finding the Fourth Proportional to 192,470.90, 288,159.60 and 181,997.60

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Solution

The fourth proportional to 192,470.90, 288,159.60 and 181,997.60 is: 272,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,470.90 : 288,159.60 = 181,997.60 : x
  2. Step 2: Convert to fraction form
    192,470.90/288,159.60 = 181,997.60/x
  3. Step 3: Cross multiply
    192,470.90x = 288,159.60 × 181,997.60
  4. Step 4: Simplify right side
    192,470.90x = 52,444,355,616.96
  5. Step 5: Solve for x
    x = 52,444,355,616.96/192,470.90
  6. Step 6: Final answer
    x = 272,479.40

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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.