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Finding the Fourth Proportional to 276,227.99, 381,198.57 and 163,050.74

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Solution

The fourth proportional to 276,227.99, 381,198.57 and 163,050.74 is: 225,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,227.99 : 381,198.57 = 163,050.74 : x
  2. Step 2: Convert to fraction form
    276,227.99/381,198.57 = 163,050.74/x
  3. Step 3: Cross multiply
    276,227.99x = 381,198.57 × 163,050.74
  4. Step 4: Simplify right side
    276,227.99x = 62,154,709,267.00
  5. Step 5: Solve for x
    x = 62,154,709,267.00/276,227.99
  6. Step 6: Final answer
    x = 225,012.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.