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Finding the Fourth Proportional to 165,188.79, 247,773.17 and 58,578.02

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Solution

The fourth proportional to 165,188.79, 247,773.17 and 58,578.02 is: 87,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,188.79 : 247,773.17 = 58,578.02 : x
  2. Step 2: Convert to fraction form
    165,188.79/247,773.17 = 58,578.02/x
  3. Step 3: Cross multiply
    165,188.79x = 247,773.17 × 58,578.02
  4. Step 4: Simplify right side
    165,188.79x = 14,514,060,175.97
  5. Step 5: Solve for x
    x = 14,514,060,175.97/165,188.79
  6. Step 6: Final answer
    x = 87,863.47

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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.