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Finding the Fourth Proportional to 188,087.71, 281,983.13 and 93,252.50

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Solution

The fourth proportional to 188,087.71, 281,983.13 and 93,252.50 is: 139,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,087.71 : 281,983.13 = 93,252.50 : x
  2. Step 2: Convert to fraction form
    188,087.71/281,983.13 = 93,252.50/x
  3. Step 3: Cross multiply
    188,087.71x = 281,983.13 × 93,252.50
  4. Step 4: Simplify right side
    188,087.71x = 26,295,632,418.72
  5. Step 5: Solve for x
    x = 26,295,632,418.72/188,087.71
  6. Step 6: Final answer
    x = 139,805.16

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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.