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Finding the Fourth Proportional to 201,279.33, 301,955.45 and 82,886.09

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Solution

The fourth proportional to 201,279.33, 301,955.45 and 82,886.09 is: 124,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,279.33 : 301,955.45 = 82,886.09 : x
  2. Step 2: Convert to fraction form
    201,279.33/301,955.45 = 82,886.09/x
  3. Step 3: Cross multiply
    201,279.33x = 301,955.45 × 82,886.09
  4. Step 4: Simplify right side
    201,279.33x = 25,027,904,680.48
  5. Step 5: Solve for x
    x = 25,027,904,680.48/201,279.33
  6. Step 6: Final answer
    x = 124,344.14

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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.