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Finding the Fourth Proportional to 79,873, 110,224.74 and 44,545

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Solution

The fourth proportional to 79,873, 110,224.74 and 44,545 is: 61,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,873 : 110,224.74 = 44,545 : x
  2. Step 2: Convert to fraction form
    79,873/110,224.74 = 44,545/x
  3. Step 3: Cross multiply
    79,873x = 110,224.74 × 44,545
  4. Step 4: Simplify right side
    79,873x = 4,909,961,043.30
  5. Step 5: Solve for x
    x = 4,909,961,043.30/79,873
  6. Step 6: Final answer
    x = 61,472.10

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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.