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Finding the Fourth Proportional to 159,316.40, 238,974.60 and 151,540.40

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Solution

The fourth proportional to 159,316.40, 238,974.60 and 151,540.40 is: 227,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,316.40 : 238,974.60 = 151,540.40 : x
  2. Step 2: Convert to fraction form
    159,316.40/238,974.60 = 151,540.40/x
  3. Step 3: Cross multiply
    159,316.40x = 238,974.60 × 151,540.40
  4. Step 4: Simplify right side
    159,316.40x = 36,214,306,473.84
  5. Step 5: Solve for x
    x = 36,214,306,473.84/159,316.40
  6. Step 6: Final answer
    x = 227,310.60

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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.