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Finding the Fourth Proportional to 80,460.69, 111,036.96 and 44,653.02

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Solution

The fourth proportional to 80,460.69, 111,036.96 and 44,653.02 is: 61,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,460.69 : 111,036.96 = 44,653.02 : x
  2. Step 2: Convert to fraction form
    80,460.69/111,036.96 = 44,653.02/x
  3. Step 3: Cross multiply
    80,460.69x = 111,036.96 × 44,653.02
  4. Step 4: Simplify right side
    80,460.69x = 4,958,135,595.62
  5. Step 5: Solve for x
    x = 4,958,135,595.62/80,460.69
  6. Step 6: Final answer
    x = 61,621.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.