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Finding the Fourth Proportional to 165,812.94, 248,719.41 and 41,153.94

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Solution

The fourth proportional to 165,812.94, 248,719.41 and 41,153.94 is: 61,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,812.94 : 248,719.41 = 41,153.94 : x
  2. Step 2: Convert to fraction form
    165,812.94/248,719.41 = 41,153.94/x
  3. Step 3: Cross multiply
    165,812.94x = 248,719.41 × 41,153.94
  4. Step 4: Simplify right side
    165,812.94x = 10,235,783,675.98
  5. Step 5: Solve for x
    x = 10,235,783,675.98/165,812.94
  6. Step 6: Final answer
    x = 61,730.91

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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.