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Finding the Fourth Proportional to 79,133.66, 109,204.56 and 43,323.92

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Solution

The fourth proportional to 79,133.66, 109,204.56 and 43,323.92 is: 59,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.66 : 109,204.56 = 43,323.92 : x
  2. Step 2: Convert to fraction form
    79,133.66/109,204.56 = 43,323.92/x
  3. Step 3: Cross multiply
    79,133.66x = 109,204.56 × 43,323.92
  4. Step 4: Simplify right side
    79,133.66x = 4,731,169,621.08
  5. Step 5: Solve for x
    x = 4,731,169,621.08/79,133.66
  6. Step 6: Final answer
    x = 59,787.07

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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.