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Finding the Fourth Proportional to 80,056, 110,477.28 and 44,728

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Solution

The fourth proportional to 80,056, 110,477.28 and 44,728 is: 61,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056 : 110,477.28 = 44,728 : x
  2. Step 2: Convert to fraction form
    80,056/110,477.28 = 44,728/x
  3. Step 3: Cross multiply
    80,056x = 110,477.28 × 44,728
  4. Step 4: Simplify right side
    80,056x = 4,941,427,779.84
  5. Step 5: Solve for x
    x = 4,941,427,779.84/80,056
  6. Step 6: Final answer
    x = 61,724.64

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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.