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Finding the Fourth Proportional to 123,355.91, 184,574.90 and 108,292.04

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Solution

The fourth proportional to 123,355.91, 184,574.90 and 108,292.04 is: 162,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,355.91 : 184,574.90 = 108,292.04 : x
  2. Step 2: Convert to fraction form
    123,355.91/184,574.90 = 108,292.04/x
  3. Step 3: Cross multiply
    123,355.91x = 184,574.90 × 108,292.04
  4. Step 4: Simplify right side
    123,355.91x = 19,987,992,493.81
  5. Step 5: Solve for x
    x = 19,987,992,493.81/123,355.91
  6. Step 6: Final answer
    x = 162,035.14

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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.