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Finding the Fourth Proportional to 165,175.44, 247,763.31 and 40,516.44

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Solution

The fourth proportional to 165,175.44, 247,763.31 and 40,516.44 is: 60,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,175.44 : 247,763.31 = 40,516.44 : x
  2. Step 2: Convert to fraction form
    165,175.44/247,763.31 = 40,516.44/x
  3. Step 3: Cross multiply
    165,175.44x = 247,763.31 × 40,516.44
  4. Step 4: Simplify right side
    165,175.44x = 10,038,487,283.82
  5. Step 5: Solve for x
    x = 10,038,487,283.82/165,175.44
  6. Step 6: Final answer
    x = 60,774.70

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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.