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Finding the Fourth Proportional to 204,056.60, 306,084.90 and 190,059.80

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Solution

The fourth proportional to 204,056.60, 306,084.90 and 190,059.80 is: 285,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,056.60 : 306,084.90 = 190,059.80 : x
  2. Step 2: Convert to fraction form
    204,056.60/306,084.90 = 190,059.80/x
  3. Step 3: Cross multiply
    204,056.60x = 306,084.90 × 190,059.80
  4. Step 4: Simplify right side
    204,056.60x = 58,174,434,877.02
  5. Step 5: Solve for x
    x = 58,174,434,877.02/204,056.60
  6. Step 6: Final answer
    x = 285,089.70

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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.