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Finding the Fourth Proportional to 291,730.82, 437,768.42 and 123,240.22

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Solution

The fourth proportional to 291,730.82, 437,768.42 and 123,240.22 is: 184,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,730.82 : 437,768.42 = 123,240.22 : x
  2. Step 2: Convert to fraction form
    291,730.82/437,768.42 = 123,240.22/x
  3. Step 3: Cross multiply
    291,730.82x = 437,768.42 × 123,240.22
  4. Step 4: Simplify right side
    291,730.82x = 53,950,674,679.23
  5. Step 5: Solve for x
    x = 53,950,674,679.23/291,730.82
  6. Step 6: Final answer
    x = 184,933.07

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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.