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Finding the Fourth Proportional to 276,150.80, 414,226.20 and 98,663.60

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Solution

The fourth proportional to 276,150.80, 414,226.20 and 98,663.60 is: 147,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,150.80 : 414,226.20 = 98,663.60 : x
  2. Step 2: Convert to fraction form
    276,150.80/414,226.20 = 98,663.60/x
  3. Step 3: Cross multiply
    276,150.80x = 414,226.20 × 98,663.60
  4. Step 4: Simplify right side
    276,150.80x = 40,869,048,106.32
  5. Step 5: Solve for x
    x = 40,869,048,106.32/276,150.80
  6. Step 6: Final answer
    x = 147,995.40

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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.