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Finding the Fourth Proportional to 188,792.87, 283,180.07 and 70,455.01

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Solution

The fourth proportional to 188,792.87, 283,180.07 and 70,455.01 is: 105,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,792.87 : 283,180.07 = 70,455.01 : x
  2. Step 2: Convert to fraction form
    188,792.87/283,180.07 = 70,455.01/x
  3. Step 3: Cross multiply
    188,792.87x = 283,180.07 × 70,455.01
  4. Step 4: Simplify right side
    188,792.87x = 19,951,454,311.38
  5. Step 5: Solve for x
    x = 19,951,454,311.38/188,792.87
  6. Step 6: Final answer
    x = 105,679.07

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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.