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Finding the Fourth Proportional to 79,605.84, 109,852.07 and 43,794.93

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Solution

The fourth proportional to 79,605.84, 109,852.07 and 43,794.93 is: 60,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,605.84 : 109,852.07 = 43,794.93 : x
  2. Step 2: Convert to fraction form
    79,605.84/109,852.07 = 43,794.93/x
  3. Step 3: Cross multiply
    79,605.84x = 109,852.07 × 43,794.93
  4. Step 4: Simplify right side
    79,605.84x = 4,810,963,716.01
  5. Step 5: Solve for x
    x = 4,810,963,716.01/79,605.84
  6. Step 6: Final answer
    x = 60,434.81

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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.