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Finding the Fourth Proportional to 238,683.21, 357,998.09 and 61,194.39

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Solution

The fourth proportional to 238,683.21, 357,998.09 and 61,194.39 is: 91,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,683.21 : 357,998.09 = 61,194.39 : x
  2. Step 2: Convert to fraction form
    238,683.21/357,998.09 = 61,194.39/x
  3. Step 3: Cross multiply
    238,683.21x = 357,998.09 × 61,194.39
  4. Step 4: Simplify right side
    238,683.21x = 21,907,474,432.74
  5. Step 5: Solve for x
    x = 21,907,474,432.74/238,683.21
  6. Step 6: Final answer
    x = 91,784.73

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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.