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Finding the Fourth Proportional to 184,801.20, 277,120.80 and 84,928.20

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Solution

The fourth proportional to 184,801.20, 277,120.80 and 84,928.20 is: 127,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,801.20 : 277,120.80 = 84,928.20 : x
  2. Step 2: Convert to fraction form
    184,801.20/277,120.80 = 84,928.20/x
  3. Step 3: Cross multiply
    184,801.20x = 277,120.80 × 84,928.20
  4. Step 4: Simplify right side
    184,801.20x = 23,535,370,726.56
  5. Step 5: Solve for x
    x = 23,535,370,726.56/184,801.20
  6. Step 6: Final answer
    x = 127,355.08

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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.