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Finding the Fourth Proportional to 188,697.69, 282,986.64 and 62,314.38

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Solution

The fourth proportional to 188,697.69, 282,986.64 and 62,314.38 is: 93,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,697.69 : 282,986.64 = 62,314.38 : x
  2. Step 2: Convert to fraction form
    188,697.69/282,986.64 = 62,314.38/x
  3. Step 3: Cross multiply
    188,697.69x = 282,986.64 × 62,314.38
  4. Step 4: Simplify right side
    188,697.69x = 17,634,137,019.88
  5. Step 5: Solve for x
    x = 17,634,137,019.88/188,697.69
  6. Step 6: Final answer
    x = 93,451.79

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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.