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Finding the Fourth Proportional to 79,751.84, 110,073.42 and 45,783.27

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Solution

The fourth proportional to 79,751.84, 110,073.42 and 45,783.27 is: 63,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.84 : 110,073.42 = 45,783.27 : x
  2. Step 2: Convert to fraction form
    79,751.84/110,073.42 = 45,783.27/x
  3. Step 3: Cross multiply
    79,751.84x = 110,073.42 × 45,783.27
  4. Step 4: Simplify right side
    79,751.84x = 5,039,521,107.68
  5. Step 5: Solve for x
    x = 5,039,521,107.68/79,751.84
  6. Step 6: Final answer
    x = 63,190.03

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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.