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Finding the Fourth Proportional to 192,663.20, 288,994.80 and 174,000.80

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Solution

The fourth proportional to 192,663.20, 288,994.80 and 174,000.80 is: 261,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,663.20 : 288,994.80 = 174,000.80 : x
  2. Step 2: Convert to fraction form
    192,663.20/288,994.80 = 174,000.80/x
  3. Step 3: Cross multiply
    192,663.20x = 288,994.80 × 174,000.80
  4. Step 4: Simplify right side
    192,663.20x = 50,285,326,395.84
  5. Step 5: Solve for x
    x = 50,285,326,395.84/192,663.20
  6. Step 6: Final answer
    x = 261,001.20

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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.