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Finding the Fourth Proportional to 221,863.60, 332,795.40 and 184,465.90

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Solution

The fourth proportional to 221,863.60, 332,795.40 and 184,465.90 is: 276,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,863.60 : 332,795.40 = 184,465.90 : x
  2. Step 2: Convert to fraction form
    221,863.60/332,795.40 = 184,465.90/x
  3. Step 3: Cross multiply
    221,863.60x = 332,795.40 × 184,465.90
  4. Step 4: Simplify right side
    221,863.60x = 61,389,402,976.86
  5. Step 5: Solve for x
    x = 61,389,402,976.86/221,863.60
  6. Step 6: Final answer
    x = 276,698.85

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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.