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Finding the Fourth Proportional to 201,012.26, 301,525.06 and 101,118.02

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Solution

The fourth proportional to 201,012.26, 301,525.06 and 101,118.02 is: 151,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,012.26 : 301,525.06 = 101,118.02 : x
  2. Step 2: Convert to fraction form
    201,012.26/301,525.06 = 101,118.02/x
  3. Step 3: Cross multiply
    201,012.26x = 301,525.06 × 101,118.02
  4. Step 4: Simplify right side
    201,012.26x = 30,489,617,047.58
  5. Step 5: Solve for x
    x = 30,489,617,047.58/201,012.26
  6. Step 6: Final answer
    x = 151,680.39

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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.