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Finding the Fourth Proportional to 180,036.41, 270,087.48 and 61,719.71

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Solution

The fourth proportional to 180,036.41, 270,087.48 and 61,719.71 is: 92,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,036.41 : 270,087.48 = 61,719.71 : x
  2. Step 2: Convert to fraction form
    180,036.41/270,087.48 = 61,719.71/x
  3. Step 3: Cross multiply
    180,036.41x = 270,087.48 × 61,719.71
  4. Step 4: Simplify right side
    180,036.41x = 16,669,719,589.79
  5. Step 5: Solve for x
    x = 16,669,719,589.79/180,036.41
  6. Step 6: Final answer
    x = 92,590.83

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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.