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Finding the Fourth Proportional to 159,497.20, 239,245.80 and 148,999.60

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Solution

The fourth proportional to 159,497.20, 239,245.80 and 148,999.60 is: 223,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,497.20 : 239,245.80 = 148,999.60 : x
  2. Step 2: Convert to fraction form
    159,497.20/239,245.80 = 148,999.60/x
  3. Step 3: Cross multiply
    159,497.20x = 239,245.80 × 148,999.60
  4. Step 4: Simplify right side
    159,497.20x = 35,647,528,501.68
  5. Step 5: Solve for x
    x = 35,647,528,501.68/159,497.20
  6. Step 6: Final answer
    x = 223,499.40

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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.