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Finding the Fourth Proportional to 165,187.63, 247,797.78 and 52,839.64

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Solution

The fourth proportional to 165,187.63, 247,797.78 and 52,839.64 is: 79,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,187.63 : 247,797.78 = 52,839.64 : x
  2. Step 2: Convert to fraction form
    165,187.63/247,797.78 = 52,839.64/x
  3. Step 3: Cross multiply
    165,187.63x = 247,797.78 × 52,839.64
  4. Step 4: Simplify right side
    165,187.63x = 13,093,545,488.00
  5. Step 5: Solve for x
    x = 13,093,545,488.00/165,187.63
  6. Step 6: Final answer
    x = 79,264.69

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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.