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Finding the Fourth Proportional to 184,436.60, 276,654.90 and 109,641.20

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Solution

The fourth proportional to 184,436.60, 276,654.90 and 109,641.20 is: 164,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,436.60 : 276,654.90 = 109,641.20 : x
  2. Step 2: Convert to fraction form
    184,436.60/276,654.90 = 109,641.20/x
  3. Step 3: Cross multiply
    184,436.60x = 276,654.90 × 109,641.20
  4. Step 4: Simplify right side
    184,436.60x = 30,332,775,221.88
  5. Step 5: Solve for x
    x = 30,332,775,221.88/184,436.60
  6. Step 6: Final answer
    x = 164,461.80

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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.