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Finding the Fourth Proportional to 80,012, 110,416.56 and 44,684

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Solution

The fourth proportional to 80,012, 110,416.56 and 44,684 is: 61,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,012 : 110,416.56 = 44,684 : x
  2. Step 2: Convert to fraction form
    80,012/110,416.56 = 44,684/x
  3. Step 3: Cross multiply
    80,012x = 110,416.56 × 44,684
  4. Step 4: Simplify right side
    80,012x = 4,933,853,567.04
  5. Step 5: Solve for x
    x = 4,933,853,567.04/80,012
  6. Step 6: Final answer
    x = 61,663.92

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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.