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Finding the Fourth Proportional to 184,065.09, 276,044.28 and 71,720.28

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Solution

The fourth proportional to 184,065.09, 276,044.28 and 71,720.28 is: 107,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,065.09 : 276,044.28 = 71,720.28 : x
  2. Step 2: Convert to fraction form
    184,065.09/276,044.28 = 71,720.28/x
  3. Step 3: Cross multiply
    184,065.09x = 276,044.28 × 71,720.28
  4. Step 4: Simplify right side
    184,065.09x = 19,797,973,054.00
  5. Step 5: Solve for x
    x = 19,797,973,054.00/184,065.09
  6. Step 6: Final answer
    x = 107,559.63

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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.