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Finding the Fourth Proportional to 188,383.68, 282,551.22 and 156,989.70

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Solution

The fourth proportional to 188,383.68, 282,551.22 and 156,989.70 is: 235,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,383.68 : 282,551.22 = 156,989.70 : x
  2. Step 2: Convert to fraction form
    188,383.68/282,551.22 = 156,989.70/x
  3. Step 3: Cross multiply
    188,383.68x = 282,551.22 × 156,989.70
  4. Step 4: Simplify right side
    188,383.68x = 44,357,631,262.43
  5. Step 5: Solve for x
    x = 44,357,631,262.43/188,383.68
  6. Step 6: Final answer
    x = 235,464.30

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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.