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Finding the Fourth Proportional to 79,606.04, 109,855.56 and 43,796.08

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Solution

The fourth proportional to 79,606.04, 109,855.56 and 43,796.08 is: 60,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,606.04 : 109,855.56 = 43,796.08 : x
  2. Step 2: Convert to fraction form
    79,606.04/109,855.56 = 43,796.08/x
  3. Step 3: Cross multiply
    79,606.04x = 109,855.56 × 43,796.08
  4. Step 4: Simplify right side
    79,606.04x = 4,811,242,894.20
  5. Step 5: Solve for x
    x = 4,811,242,894.20/79,606.04
  6. Step 6: Final answer
    x = 60,438.16

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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.