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Finding the Fourth Proportional to 122,713.00, 184,099.12 and 42,739.27

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Solution

The fourth proportional to 122,713.00, 184,099.12 and 42,739.27 is: 64,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,713.00 : 184,099.12 = 42,739.27 : x
  2. Step 2: Convert to fraction form
    122,713.00/184,099.12 = 42,739.27/x
  3. Step 3: Cross multiply
    122,713.00x = 184,099.12 × 42,739.27
  4. Step 4: Simplify right side
    122,713.00x = 7,868,261,429.35
  5. Step 5: Solve for x
    x = 7,868,261,429.35/122,713.00
  6. Step 6: Final answer
    x = 64,119.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.