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Finding the Fourth Proportional to 184,672.80, 277,138.80 and 118,274.40

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Solution

The fourth proportional to 184,672.80, 277,138.80 and 118,274.40 is: 177,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,672.80 : 277,138.80 = 118,274.40 : x
  2. Step 2: Convert to fraction form
    184,672.80/277,138.80 = 118,274.40/x
  3. Step 3: Cross multiply
    184,672.80x = 277,138.80 × 118,274.40
  4. Step 4: Simplify right side
    184,672.80x = 32,778,425,286.72
  5. Step 5: Solve for x
    x = 32,778,425,286.72/184,672.80
  6. Step 6: Final answer
    x = 177,494.60

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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.