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Finding the Fourth Proportional to 200,357.62, 276,493.95 and 108,477.88

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Solution

The fourth proportional to 200,357.62, 276,493.95 and 108,477.88 is: 149,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,357.62 : 276,493.95 = 108,477.88 : x
  2. Step 2: Convert to fraction form
    200,357.62/276,493.95 = 108,477.88/x
  3. Step 3: Cross multiply
    200,357.62x = 276,493.95 × 108,477.88
  4. Step 4: Simplify right side
    200,357.62x = 29,993,476,837.59
  5. Step 5: Solve for x
    x = 29,993,476,837.59/200,357.62
  6. Step 6: Final answer
    x = 149,699.71

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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.