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Finding the Fourth Proportional to 201,662.45, 302,493.77 and 83,203.59

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Solution

The fourth proportional to 201,662.45, 302,493.77 and 83,203.59 is: 124,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,662.45 : 302,493.77 = 83,203.59 : x
  2. Step 2: Convert to fraction form
    201,662.45/302,493.77 = 83,203.59/x
  3. Step 3: Cross multiply
    201,662.45x = 302,493.77 × 83,203.59
  4. Step 4: Simplify right side
    201,662.45x = 25,168,567,616.63
  5. Step 5: Solve for x
    x = 25,168,567,616.63/201,662.45
  6. Step 6: Final answer
    x = 124,805.42

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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.