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Finding the Fourth Proportional to 201,485.23, 277,786.08 and 146,244.89

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Solution

The fourth proportional to 201,485.23, 277,786.08 and 146,244.89 is: 201,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485.23 : 277,786.08 = 146,244.89 : x
  2. Step 2: Convert to fraction form
    201,485.23/277,786.08 = 146,244.89/x
  3. Step 3: Cross multiply
    201,485.23x = 277,786.08 × 146,244.89
  4. Step 4: Simplify right side
    201,485.23x = 40,624,795,407.60
  5. Step 5: Solve for x
    x = 40,624,795,407.60/201,485.23
  6. Step 6: Final answer
    x = 201,626.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.