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Finding the Fourth Proportional to 79,295.01, 109,427.27 and 43,485.29

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Solution

The fourth proportional to 79,295.01, 109,427.27 and 43,485.29 is: 60,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,295.01 : 109,427.27 = 43,485.29 : x
  2. Step 2: Convert to fraction form
    79,295.01/109,427.27 = 43,485.29/x
  3. Step 3: Cross multiply
    79,295.01x = 109,427.27 × 43,485.29
  4. Step 4: Simplify right side
    79,295.01x = 4,758,475,805.30
  5. Step 5: Solve for x
    x = 4,758,475,805.30/79,295.01
  6. Step 6: Final answer
    x = 60,009.78

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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.