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Finding the Fourth Proportional to 201,215.20, 301,822.80 and 60,955.60

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Solution

The fourth proportional to 201,215.20, 301,822.80 and 60,955.60 is: 91,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,215.20 : 301,822.80 = 60,955.60 : x
  2. Step 2: Convert to fraction form
    201,215.20/301,822.80 = 60,955.60/x
  3. Step 3: Cross multiply
    201,215.20x = 301,822.80 × 60,955.60
  4. Step 4: Simplify right side
    201,215.20x = 18,397,789,867.68
  5. Step 5: Solve for x
    x = 18,397,789,867.68/201,215.20
  6. Step 6: Final answer
    x = 91,433.40

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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.