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Finding the Fourth Proportional to 201,000.80, 301,731.60 and 117,941.60

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Solution

The fourth proportional to 201,000.80, 301,731.60 and 117,941.60 is: 177,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,000.80 : 301,731.60 = 117,941.60 : x
  2. Step 2: Convert to fraction form
    201,000.80/301,731.60 = 117,941.60/x
  3. Step 3: Cross multiply
    201,000.80x = 301,731.60 × 117,941.60
  4. Step 4: Simplify right side
    201,000.80x = 35,586,707,674.56
  5. Step 5: Solve for x
    x = 35,586,707,674.56/201,000.80
  6. Step 6: Final answer
    x = 177,047.59

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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.