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Finding the Fourth Proportional to 165,282.72, 247,940.48 and 52,934.72

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Solution

The fourth proportional to 165,282.72, 247,940.48 and 52,934.72 is: 79,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,282.72 : 247,940.48 = 52,934.72 : x
  2. Step 2: Convert to fraction form
    165,282.72/247,940.48 = 52,934.72/x
  3. Step 3: Cross multiply
    165,282.72x = 247,940.48 × 52,934.72
  4. Step 4: Simplify right side
    165,282.72x = 13,124,659,885.47
  5. Step 5: Solve for x
    x = 13,124,659,885.47/165,282.72
  6. Step 6: Final answer
    x = 79,407.33

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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.