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Finding the Fourth Proportional to 192,448.90, 288,126.60 and 181,975.60

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Solution

The fourth proportional to 192,448.90, 288,126.60 and 181,975.60 is: 272,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,448.90 : 288,126.60 = 181,975.60 : x
  2. Step 2: Convert to fraction form
    192,448.90/288,126.60 = 181,975.60/x
  3. Step 3: Cross multiply
    192,448.90x = 288,126.60 × 181,975.60
  4. Step 4: Simplify right side
    192,448.90x = 52,432,010,910.96
  5. Step 5: Solve for x
    x = 52,432,010,910.96/192,448.90
  6. Step 6: Final answer
    x = 272,446.40

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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.