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Finding the Fourth Proportional to 133,846.87, 184,707.21 and 73,417.29

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Solution

The fourth proportional to 133,846.87, 184,707.21 and 73,417.29 is: 101,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,846.87 : 184,707.21 = 73,417.29 : x
  2. Step 2: Convert to fraction form
    133,846.87/184,707.21 = 73,417.29/x
  3. Step 3: Cross multiply
    133,846.87x = 184,707.21 × 73,417.29
  4. Step 4: Simplify right side
    133,846.87x = 13,560,702,801.66
  5. Step 5: Solve for x
    x = 13,560,702,801.66/133,846.87
  6. Step 6: Final answer
    x = 101,315.05

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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.