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Finding the Fourth Proportional to 79,288.97, 118,700.16 and 52,928.33

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Solution

The fourth proportional to 79,288.97, 118,700.16 and 52,928.33 is: 79,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,288.97 : 118,700.16 = 52,928.33 : x
  2. Step 2: Convert to fraction form
    79,288.97/118,700.16 = 52,928.33/x
  3. Step 3: Cross multiply
    79,288.97x = 118,700.16 × 52,928.33
  4. Step 4: Simplify right side
    79,288.97x = 6,282,601,239.53
  5. Step 5: Solve for x
    x = 6,282,601,239.53/79,288.97
  6. Step 6: Final answer
    x = 79,236.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.