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Finding the Fourth Proportional to 184,432.80, 276,908.40 and 145,034.40

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Solution

The fourth proportional to 184,432.80, 276,908.40 and 145,034.40 is: 217,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,432.80 : 276,908.40 = 145,034.40 : x
  2. Step 2: Convert to fraction form
    184,432.80/276,908.40 = 145,034.40/x
  3. Step 3: Cross multiply
    184,432.80x = 276,908.40 × 145,034.40
  4. Step 4: Simplify right side
    184,432.80x = 40,161,243,648.96
  5. Step 5: Solve for x
    x = 40,161,243,648.96/184,432.80
  6. Step 6: Final answer
    x = 217,755.43

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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.