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Finding the Fourth Proportional to 188,992.17, 283,389.83 and 70,566.12

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Solution

The fourth proportional to 188,992.17, 283,389.83 and 70,566.12 is: 105,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,992.17 : 283,389.83 = 70,566.12 : x
  2. Step 2: Convert to fraction form
    188,992.17/283,389.83 = 70,566.12/x
  3. Step 3: Cross multiply
    188,992.17x = 283,389.83 × 70,566.12
  4. Step 4: Simplify right side
    188,992.17x = 19,997,718,980.78
  5. Step 5: Solve for x
    x = 19,997,718,980.78/188,992.17
  6. Step 6: Final answer
    x = 105,812.42

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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.