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Finding the Fourth Proportional to 201,126.80, 301,690.20 and 60,892.40

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Solution

The fourth proportional to 201,126.80, 301,690.20 and 60,892.40 is: 91,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,126.80 : 301,690.20 = 60,892.40 : x
  2. Step 2: Convert to fraction form
    201,126.80/301,690.20 = 60,892.40/x
  3. Step 3: Cross multiply
    201,126.80x = 301,690.20 × 60,892.40
  4. Step 4: Simplify right side
    201,126.80x = 18,370,640,334.48
  5. Step 5: Solve for x
    x = 18,370,640,334.48/201,126.80
  6. Step 6: Final answer
    x = 91,338.60

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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.