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Finding the Fourth Proportional to 184,485.70, 276,647.55 and 84,612.70

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Solution

The fourth proportional to 184,485.70, 276,647.55 and 84,612.70 is: 126,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,485.70 : 276,647.55 = 84,612.70 : x
  2. Step 2: Convert to fraction form
    184,485.70/276,647.55 = 84,612.70/x
  3. Step 3: Cross multiply
    184,485.70x = 276,647.55 × 84,612.70
  4. Step 4: Simplify right side
    184,485.70x = 23,407,896,153.89
  5. Step 5: Solve for x
    x = 23,407,896,153.89/184,485.70
  6. Step 6: Final answer
    x = 126,881.90

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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.