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Finding the Fourth Proportional to 201,172.89, 277,608.63 and 120,584.76

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Solution

The fourth proportional to 201,172.89, 277,608.63 and 120,584.76 is: 166,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,172.89 : 277,608.63 = 120,584.76 : x
  2. Step 2: Convert to fraction form
    201,172.89/277,608.63 = 120,584.76/x
  3. Step 3: Cross multiply
    201,172.89x = 277,608.63 × 120,584.76
  4. Step 4: Simplify right side
    201,172.89x = 33,475,370,022.48
  5. Step 5: Solve for x
    x = 33,475,370,022.48/201,172.89
  6. Step 6: Final answer
    x = 166,401.00

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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.