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Finding the Fourth Proportional to 79,595.36, 109,832.46 and 43,782.02

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Solution

The fourth proportional to 79,595.36, 109,832.46 and 43,782.02 is: 60,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,595.36 : 109,832.46 = 43,782.02 : x
  2. Step 2: Convert to fraction form
    79,595.36/109,832.46 = 43,782.02/x
  3. Step 3: Cross multiply
    79,595.36x = 109,832.46 × 43,782.02
  4. Step 4: Simplify right side
    79,595.36x = 4,808,686,960.37
  5. Step 5: Solve for x
    x = 4,808,686,960.37/79,595.36
  6. Step 6: Final answer
    x = 60,414.16

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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.