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Finding the Fourth Proportional to 184,043.80, 276,065.70 and 178,859.80

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Solution

The fourth proportional to 184,043.80, 276,065.70 and 178,859.80 is: 268,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,043.80 : 276,065.70 = 178,859.80 : x
  2. Step 2: Convert to fraction form
    184,043.80/276,065.70 = 178,859.80/x
  3. Step 3: Cross multiply
    184,043.80x = 276,065.70 × 178,859.80
  4. Step 4: Simplify right side
    184,043.80x = 49,377,055,888.86
  5. Step 5: Solve for x
    x = 49,377,055,888.86/184,043.80
  6. Step 6: Final answer
    x = 268,289.70

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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.