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Finding the Fourth Proportional to 165,167.75, 247,788.47 and 52,854.71

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Solution

The fourth proportional to 165,167.75, 247,788.47 and 52,854.71 is: 79,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,167.75 : 247,788.47 = 52,854.71 : x
  2. Step 2: Convert to fraction form
    165,167.75/247,788.47 = 52,854.71/x
  3. Step 3: Cross multiply
    165,167.75x = 247,788.47 × 52,854.71
  4. Step 4: Simplify right side
    165,167.75x = 13,096,787,712.89
  5. Step 5: Solve for x
    x = 13,096,787,712.89/165,167.75
  6. Step 6: Final answer
    x = 79,293.86

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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.