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Finding the Fourth Proportional to 61,164.66, 91,730.38 and 16,780.92

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Solution

The fourth proportional to 61,164.66, 91,730.38 and 16,780.92 is: 25,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,164.66 : 91,730.38 = 16,780.92 : x
  2. Step 2: Convert to fraction form
    61,164.66/91,730.38 = 16,780.92/x
  3. Step 3: Cross multiply
    61,164.66x = 91,730.38 × 16,780.92
  4. Step 4: Simplify right side
    61,164.66x = 1,539,320,168.35
  5. Step 5: Solve for x
    x = 1,539,320,168.35/61,164.66
  6. Step 6: Final answer
    x = 25,166.82

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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.