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Finding the Fourth Proportional to 236,574.57, 354,861.87 and 188,966.76

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Solution

The fourth proportional to 236,574.57, 354,861.87 and 188,966.76 is: 283,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,574.57 : 354,861.87 = 188,966.76 : x
  2. Step 2: Convert to fraction form
    236,574.57/354,861.87 = 188,966.76/x
  3. Step 3: Cross multiply
    236,574.57x = 354,861.87 × 188,966.76
  4. Step 4: Simplify right side
    236,574.57x = 67,057,097,821.44
  5. Step 5: Solve for x
    x = 67,057,097,821.44/236,574.57
  6. Step 6: Final answer
    x = 283,450.15

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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.