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Finding the Fourth Proportional to 79,283.52, 109,410.32 and 43,473.22

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Solution

The fourth proportional to 79,283.52, 109,410.32 and 43,473.22 is: 59,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.52 : 109,410.32 = 43,473.22 : x
  2. Step 2: Convert to fraction form
    79,283.52/109,410.32 = 43,473.22/x
  3. Step 3: Cross multiply
    79,283.52x = 109,410.32 × 43,473.22
  4. Step 4: Simplify right side
    79,283.52x = 4,756,418,746.79
  5. Step 5: Solve for x
    x = 4,756,418,746.79/79,283.52
  6. Step 6: Final answer
    x = 59,992.53

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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.