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Finding the Fourth Proportional to 184,078.80, 276,377.40 and 144,680.40

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Solution

The fourth proportional to 184,078.80, 276,377.40 and 144,680.40 is: 217,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,078.80 : 276,377.40 = 144,680.40 : x
  2. Step 2: Convert to fraction form
    184,078.80/276,377.40 = 144,680.40/x
  3. Step 3: Cross multiply
    184,078.80x = 276,377.40 × 144,680.40
  4. Step 4: Simplify right side
    184,078.80x = 39,986,392,782.96
  5. Step 5: Solve for x
    x = 39,986,392,782.96/184,078.80
  6. Step 6: Final answer
    x = 217,224.32

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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.