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Finding the Fourth Proportional to 123,125.70, 184,717.08 and 38,894.22

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Solution

The fourth proportional to 123,125.70, 184,717.08 and 38,894.22 is: 58,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,125.70 : 184,717.08 = 38,894.22 : x
  2. Step 2: Convert to fraction form
    123,125.70/184,717.08 = 38,894.22/x
  3. Step 3: Cross multiply
    123,125.70x = 184,717.08 × 38,894.22
  4. Step 4: Simplify right side
    123,125.70x = 7,184,426,747.28
  5. Step 5: Solve for x
    x = 7,184,426,747.28/123,125.70
  6. Step 6: Final answer
    x = 58,350.34

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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.