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Finding the Fourth Proportional to 184,212.90, 276,465.15 and 71,946.90

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Solution

The fourth proportional to 184,212.90, 276,465.15 and 71,946.90 is: 107,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,212.90 : 276,465.15 = 71,946.90 : x
  2. Step 2: Convert to fraction form
    184,212.90/276,465.15 = 71,946.90/x
  3. Step 3: Cross multiply
    184,212.90x = 276,465.15 × 71,946.90
  4. Step 4: Simplify right side
    184,212.90x = 19,890,810,500.54
  5. Step 5: Solve for x
    x = 19,890,810,500.54/184,212.90
  6. Step 6: Final answer
    x = 107,977.29

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1.5x scale

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.