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Finding the Fourth Proportional to 184,789.40, 255,009.40 and 99,906.48

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Solution

The fourth proportional to 184,789.40, 255,009.40 and 99,906.48 is: 137,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,789.40 : 255,009.40 = 99,906.48 : x
  2. Step 2: Convert to fraction form
    184,789.40/255,009.40 = 99,906.48/x
  3. Step 3: Cross multiply
    184,789.40x = 255,009.40 × 99,906.48
  4. Step 4: Simplify right side
    184,789.40x = 25,477,091,520.91
  5. Step 5: Solve for x
    x = 25,477,091,520.91/184,789.40
  6. Step 6: Final answer
    x = 137,870.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.