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Finding the Fourth Proportional to 184,564.80, 276,976.80 and 79,459.20

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Solution

The fourth proportional to 184,564.80, 276,976.80 and 79,459.20 is: 119,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,564.80 : 276,976.80 = 79,459.20 : x
  2. Step 2: Convert to fraction form
    184,564.80/276,976.80 = 79,459.20/x
  3. Step 3: Cross multiply
    184,564.80x = 276,976.80 × 79,459.20
  4. Step 4: Simplify right side
    184,564.80x = 22,008,354,946.56
  5. Step 5: Solve for x
    x = 22,008,354,946.56/184,564.80
  6. Step 6: Final answer
    x = 119,244.60

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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.