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Finding the Fourth Proportional to 201,219.52, 277,622.38 and 120,617.63

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Solution

The fourth proportional to 201,219.52, 277,622.38 and 120,617.63 is: 166,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,219.52 : 277,622.38 = 120,617.63 : x
  2. Step 2: Convert to fraction form
    201,219.52/277,622.38 = 120,617.63/x
  3. Step 3: Cross multiply
    201,219.52x = 277,622.38 × 120,617.63
  4. Step 4: Simplify right side
    201,219.52x = 33,486,154,204.62
  5. Step 5: Solve for x
    x = 33,486,154,204.62/201,219.52
  6. Step 6: Final answer
    x = 166,416.03

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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.