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Finding the Fourth Proportional to 133,622.60, 200,433.90 and 98,630.60

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Solution

The fourth proportional to 133,622.60, 200,433.90 and 98,630.60 is: 147,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.60 : 200,433.90 = 98,630.60 : x
  2. Step 2: Convert to fraction form
    133,622.60/200,433.90 = 98,630.60/x
  3. Step 3: Cross multiply
    133,622.60x = 200,433.90 × 98,630.60
  4. Step 4: Simplify right side
    133,622.60x = 19,768,915,817.34
  5. Step 5: Solve for x
    x = 19,768,915,817.34/133,622.60
  6. Step 6: Final answer
    x = 147,945.90

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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.