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Finding the Fourth Proportional to 198,667.60, 298,001.40 and 50,923.60

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Solution

The fourth proportional to 198,667.60, 298,001.40 and 50,923.60 is: 76,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,667.60 : 298,001.40 = 50,923.60 : x
  2. Step 2: Convert to fraction form
    198,667.60/298,001.40 = 50,923.60/x
  3. Step 3: Cross multiply
    198,667.60x = 298,001.40 × 50,923.60
  4. Step 4: Simplify right side
    198,667.60x = 15,175,304,093.04
  5. Step 5: Solve for x
    x = 15,175,304,093.04/198,667.60
  6. Step 6: Final answer
    x = 76,385.40

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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.