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Finding the Fourth Proportional to 80,419.83, 110,975.56 and 44,609.05

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Solution

The fourth proportional to 80,419.83, 110,975.56 and 44,609.05 is: 61,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,419.83 : 110,975.56 = 44,609.05 : x
  2. Step 2: Convert to fraction form
    80,419.83/110,975.56 = 44,609.05/x
  3. Step 3: Cross multiply
    80,419.83x = 110,975.56 × 44,609.05
  4. Step 4: Simplify right side
    80,419.83x = 4,950,514,304.82
  5. Step 5: Solve for x
    x = 4,950,514,304.82/80,419.83
  6. Step 6: Final answer
    x = 61,558.38

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1.5x scale

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.