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Finding the Fourth Proportional to 193,845.20, 290,806.20 and 162,894.80

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Solution

The fourth proportional to 193,845.20, 290,806.20 and 162,894.80 is: 244,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845.20 : 290,806.20 = 162,894.80 : x
  2. Step 2: Convert to fraction form
    193,845.20/290,806.20 = 162,894.80/x
  3. Step 3: Cross multiply
    193,845.20x = 290,806.20 × 162,894.80
  4. Step 4: Simplify right side
    193,845.20x = 47,370,817,787.76
  5. Step 5: Solve for x
    x = 47,370,817,787.76/193,845.20
  6. Step 6: Final answer
    x = 244,374.47

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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.