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Finding the Fourth Proportional to 276,074.80, 414,112.20 and 118,610.80

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Solution

The fourth proportional to 276,074.80, 414,112.20 and 118,610.80 is: 177,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,074.80 : 414,112.20 = 118,610.80 : x
  2. Step 2: Convert to fraction form
    276,074.80/414,112.20 = 118,610.80/x
  3. Step 3: Cross multiply
    276,074.80x = 414,112.20 × 118,610.80
  4. Step 4: Simplify right side
    276,074.80x = 49,118,179,331.76
  5. Step 5: Solve for x
    x = 49,118,179,331.76/276,074.80
  6. Step 6: Final answer
    x = 177,916.20

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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.