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Finding the Fourth Proportional to 184,394.56, 276,568.80 and 79,214.40

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Solution

The fourth proportional to 184,394.56, 276,568.80 and 79,214.40 is: 118,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,394.56 : 276,568.80 = 79,214.40 : x
  2. Step 2: Convert to fraction form
    184,394.56/276,568.80 = 79,214.40/x
  3. Step 3: Cross multiply
    184,394.56x = 276,568.80 × 79,214.40
  4. Step 4: Simplify right side
    184,394.56x = 21,908,231,550.72
  5. Step 5: Solve for x
    x = 21,908,231,550.72/184,394.56
  6. Step 6: Final answer
    x = 118,811.70

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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.