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Finding the Fourth Proportional to 79,707.98, 109,995.67 and 43,901.32

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Solution

The fourth proportional to 79,707.98, 109,995.67 and 43,901.32 is: 60,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.98 : 109,995.67 = 43,901.32 : x
  2. Step 2: Convert to fraction form
    79,707.98/109,995.67 = 43,901.32/x
  3. Step 3: Cross multiply
    79,707.98x = 109,995.67 × 43,901.32
  4. Step 4: Simplify right side
    79,707.98x = 4,828,954,722.54
  5. Step 5: Solve for x
    x = 4,828,954,722.54/79,707.98
  6. Step 6: Final answer
    x = 60,583.08

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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.