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Finding the Fourth Proportional to 79,716.66, 110,009.73 and 43,907.94

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Solution

The fourth proportional to 79,716.66, 110,009.73 and 43,907.94 is: 60,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716.66 : 110,009.73 = 43,907.94 : x
  2. Step 2: Convert to fraction form
    79,716.66/110,009.73 = 43,907.94/x
  3. Step 3: Cross multiply
    79,716.66x = 110,009.73 × 43,907.94
  4. Step 4: Simplify right side
    79,716.66x = 4,830,300,624.26
  5. Step 5: Solve for x
    x = 4,830,300,624.26/79,716.66
  6. Step 6: Final answer
    x = 60,593.36

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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.