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Finding the Fourth Proportional to 192,698.40, 289,047.60 and 184,825.20

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Solution

The fourth proportional to 192,698.40, 289,047.60 and 184,825.20 is: 277,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,698.40 : 289,047.60 = 184,825.20 : x
  2. Step 2: Convert to fraction form
    192,698.40/289,047.60 = 184,825.20/x
  3. Step 3: Cross multiply
    192,698.40x = 289,047.60 × 184,825.20
  4. Step 4: Simplify right side
    192,698.40x = 53,423,280,479.52
  5. Step 5: Solve for x
    x = 53,423,280,479.52/192,698.40
  6. Step 6: Final answer
    x = 277,237.80

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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.