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Finding the Fourth Proportional to 80,057, 110,478.66 and 44,729

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Solution

The fourth proportional to 80,057, 110,478.66 and 44,729 is: 61,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,057 : 110,478.66 = 44,729 : x
  2. Step 2: Convert to fraction form
    80,057/110,478.66 = 44,729/x
  3. Step 3: Cross multiply
    80,057x = 110,478.66 × 44,729
  4. Step 4: Simplify right side
    80,057x = 4,941,599,983.14
  5. Step 5: Solve for x
    x = 4,941,599,983.14/80,057
  6. Step 6: Final answer
    x = 61,726.02

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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.