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Finding the Fourth Proportional to 184,078.40, 276,117.60 and 65,806.40

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Solution

The fourth proportional to 184,078.40, 276,117.60 and 65,806.40 is: 98,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,078.40 : 276,117.60 = 65,806.40 : x
  2. Step 2: Convert to fraction form
    184,078.40/276,117.60 = 65,806.40/x
  3. Step 3: Cross multiply
    184,078.40x = 276,117.60 × 65,806.40
  4. Step 4: Simplify right side
    184,078.40x = 18,170,305,232.64
  5. Step 5: Solve for x
    x = 18,170,305,232.64/184,078.40
  6. Step 6: Final answer
    x = 98,709.60

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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.