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Finding the Fourth Proportional to 188,605.93, 260,278.76 and 108,033.41

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Solution

The fourth proportional to 188,605.93, 260,278.76 and 108,033.41 is: 149,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,605.93 : 260,278.76 = 108,033.41 : x
  2. Step 2: Convert to fraction form
    188,605.93/260,278.76 = 108,033.41/x
  3. Step 3: Cross multiply
    188,605.93x = 260,278.76 × 108,033.41
  4. Step 4: Simplify right side
    188,605.93x = 28,118,800,151.81
  5. Step 5: Solve for x
    x = 28,118,800,151.81/188,605.93
  6. Step 6: Final answer
    x = 149,087.58

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Why These Related Problems?

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