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Finding the Fourth Proportional to 165,874.64, 248,812.11 and 41,215.64

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Solution

The fourth proportional to 165,874.64, 248,812.11 and 41,215.64 is: 61,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,874.64 : 248,812.11 = 41,215.64 : x
  2. Step 2: Convert to fraction form
    165,874.64/248,812.11 = 41,215.64/x
  3. Step 3: Cross multiply
    165,874.64x = 248,812.11 × 41,215.64
  4. Step 4: Simplify right side
    165,874.64x = 10,254,949,109.34
  5. Step 5: Solve for x
    x = 10,254,949,109.34/165,874.64
  6. Step 6: Final answer
    x = 61,823.49

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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.