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Finding the Fourth Proportional to 158,967.99, 239,020.20 and 146,640.60

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Solution

The fourth proportional to 158,967.99, 239,020.20 and 146,640.60 is: 220,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,967.99 : 239,020.20 = 146,640.60 : x
  2. Step 2: Convert to fraction form
    158,967.99/239,020.20 = 146,640.60/x
  3. Step 3: Cross multiply
    158,967.99x = 239,020.20 × 146,640.60
  4. Step 4: Simplify right side
    158,967.99x = 35,050,065,540.12
  5. Step 5: Solve for x
    x = 35,050,065,540.12/158,967.99
  6. Step 6: Final answer
    x = 220,485.05

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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.