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Finding the Fourth Proportional to 180,119.69, 270,185.00 and 61,789.32

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Solution

The fourth proportional to 180,119.69, 270,185.00 and 61,789.32 is: 92,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,119.69 : 270,185.00 = 61,789.32 : x
  2. Step 2: Convert to fraction form
    180,119.69/270,185.00 = 61,789.32/x
  3. Step 3: Cross multiply
    180,119.69x = 270,185.00 × 61,789.32
  4. Step 4: Simplify right side
    180,119.69x = 16,694,547,115.25
  5. Step 5: Solve for x
    x = 16,694,547,115.25/180,119.69
  6. Step 6: Final answer
    x = 92,685.86

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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.