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Finding the Fourth Proportional to 192,473.20, 288,709.80 and 183,287.80

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Solution

The fourth proportional to 192,473.20, 288,709.80 and 183,287.80 is: 274,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,473.20 : 288,709.80 = 183,287.80 : x
  2. Step 2: Convert to fraction form
    192,473.20/288,709.80 = 183,287.80/x
  3. Step 3: Cross multiply
    192,473.20x = 288,709.80 × 183,287.80
  4. Step 4: Simplify right side
    192,473.20x = 52,916,984,080.44
  5. Step 5: Solve for x
    x = 52,916,984,080.44/192,473.20
  6. Step 6: Final answer
    x = 274,931.70

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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.