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Finding the Fourth Proportional to 201,693.40, 302,021.70 and 148,816.60

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Solution

The fourth proportional to 201,693.40, 302,021.70 and 148,816.60 is: 222,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,693.40 : 302,021.70 = 148,816.60 : x
  2. Step 2: Convert to fraction form
    201,693.40/302,021.70 = 148,816.60/x
  3. Step 3: Cross multiply
    201,693.40x = 302,021.70 × 148,816.60
  4. Step 4: Simplify right side
    201,693.40x = 44,945,842,520.22
  5. Step 5: Solve for x
    x = 44,945,842,520.22/201,693.40
  6. Step 6: Final answer
    x = 222,842.41

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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.