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Finding the Fourth Proportional to 200,474.88, 276,655.23 and 119,902.40

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Solution

The fourth proportional to 200,474.88, 276,655.23 and 119,902.40 is: 165,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,474.88 : 276,655.23 = 119,902.40 : x
  2. Step 2: Convert to fraction form
    200,474.88/276,655.23 = 119,902.40/x
  3. Step 3: Cross multiply
    200,474.88x = 276,655.23 × 119,902.40
  4. Step 4: Simplify right side
    200,474.88x = 33,171,626,049.55
  5. Step 5: Solve for x
    x = 33,171,626,049.55/200,474.88
  6. Step 6: Final answer
    x = 165,465.25

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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.