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Finding the Fourth Proportional to 165,356.88, 247,874.94 and 65,483.88

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Solution

The fourth proportional to 165,356.88, 247,874.94 and 65,483.88 is: 98,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,356.88 : 247,874.94 = 65,483.88 : x
  2. Step 2: Convert to fraction form
    165,356.88/247,874.94 = 65,483.88/x
  3. Step 3: Cross multiply
    165,356.88x = 247,874.94 × 65,483.88
  4. Step 4: Simplify right side
    165,356.88x = 16,231,812,825.97
  5. Step 5: Solve for x
    x = 16,231,812,825.97/165,356.88
  6. Step 6: Final answer
    x = 98,162.31

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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.