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Finding the Fourth Proportional to 79,725.74, 110,021.01 and 43,914.92

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Solution

The fourth proportional to 79,725.74, 110,021.01 and 43,914.92 is: 60,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.74 : 110,021.01 = 43,914.92 : x
  2. Step 2: Convert to fraction form
    79,725.74/110,021.01 = 43,914.92/x
  3. Step 3: Cross multiply
    79,725.74x = 110,021.01 × 43,914.92
  4. Step 4: Simplify right side
    79,725.74x = 4,831,563,852.47
  5. Step 5: Solve for x
    x = 4,831,563,852.47/79,725.74
  6. Step 6: Final answer
    x = 60,602.31

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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.