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Finding the Fourth Proportional to 192,877.60, 290,007.60 and 162,464.80

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Solution

The fourth proportional to 192,877.60, 290,007.60 and 162,464.80 is: 244,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,877.60 : 290,007.60 = 162,464.80 : x
  2. Step 2: Convert to fraction form
    192,877.60/290,007.60 = 162,464.80/x
  3. Step 3: Cross multiply
    192,877.60x = 290,007.60 × 162,464.80
  4. Step 4: Simplify right side
    192,877.60x = 47,116,026,732.48
  5. Step 5: Solve for x
    x = 47,116,026,732.48/192,877.60
  6. Step 6: Final answer
    x = 244,279.41

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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.