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Finding the Fourth Proportional to 165,813.52, 248,720.28 and 41,154.52

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Solution

The fourth proportional to 165,813.52, 248,720.28 and 41,154.52 is: 61,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,813.52 : 248,720.28 = 41,154.52 : x
  2. Step 2: Convert to fraction form
    165,813.52/248,720.28 = 41,154.52/x
  3. Step 3: Cross multiply
    165,813.52x = 248,720.28 × 41,154.52
  4. Step 4: Simplify right side
    165,813.52x = 10,235,963,737.67
  5. Step 5: Solve for x
    x = 10,235,963,737.67/165,813.52
  6. Step 6: Final answer
    x = 61,731.78

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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.