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Finding the Fourth Proportional to 201,306.80, 301,960.20 and 134,951.60

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Solution

The fourth proportional to 201,306.80, 301,960.20 and 134,951.60 is: 202,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,306.80 : 301,960.20 = 134,951.60 : x
  2. Step 2: Convert to fraction form
    201,306.80/301,960.20 = 134,951.60/x
  3. Step 3: Cross multiply
    201,306.80x = 301,960.20 × 134,951.60
  4. Step 4: Simplify right side
    201,306.80x = 40,750,012,126.32
  5. Step 5: Solve for x
    x = 40,750,012,126.32/201,306.80
  6. Step 6: Final answer
    x = 202,427.40

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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.