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Finding the Fourth Proportional to 200,148.45, 276,152.99 and 119,540.49

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Solution

The fourth proportional to 200,148.45, 276,152.99 and 119,540.49 is: 164,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,148.45 : 276,152.99 = 119,540.49 : x
  2. Step 2: Convert to fraction form
    200,148.45/276,152.99 = 119,540.49/x
  3. Step 3: Cross multiply
    200,148.45x = 276,152.99 × 119,540.49
  4. Step 4: Simplify right side
    200,148.45x = 33,011,463,739.57
  5. Step 5: Solve for x
    x = 33,011,463,739.57/200,148.45
  6. Step 6: Final answer
    x = 164,934.90

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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.