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Finding the Fourth Proportional to 188,591.34, 260,262.99 and 103,716.30

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Solution

The fourth proportional to 188,591.34, 260,262.99 and 103,716.30 is: 143,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,591.34 : 260,262.99 = 103,716.30 : x
  2. Step 2: Convert to fraction form
    188,591.34/260,262.99 = 103,716.30/x
  3. Step 3: Cross multiply
    188,591.34x = 260,262.99 × 103,716.30
  4. Step 4: Simplify right side
    188,591.34x = 26,993,514,349.74
  5. Step 5: Solve for x
    x = 26,993,514,349.74/188,591.34
  6. Step 6: Final answer
    x = 143,132.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.