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Finding the Fourth Proportional to 201,121.48, 301,809.30 and 112,433.23

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Solution

The fourth proportional to 201,121.48, 301,809.30 and 112,433.23 is: 168,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,121.48 : 301,809.30 = 112,433.23 : x
  2. Step 2: Convert to fraction form
    201,121.48/301,809.30 = 112,433.23/x
  3. Step 3: Cross multiply
    201,121.48x = 301,809.30 × 112,433.23
  4. Step 4: Simplify right side
    201,121.48x = 33,933,394,443.04
  5. Step 5: Solve for x
    x = 33,933,394,443.04/201,121.48
  6. Step 6: Final answer
    x = 168,720.89

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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.