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Finding the Fourth Proportional to 201,753.70, 302,630.55 and 123,021.70

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Solution

The fourth proportional to 201,753.70, 302,630.55 and 123,021.70 is: 184,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,753.70 : 302,630.55 = 123,021.70 : x
  2. Step 2: Convert to fraction form
    201,753.70/302,630.55 = 123,021.70/x
  3. Step 3: Cross multiply
    201,753.70x = 302,630.55 × 123,021.70
  4. Step 4: Simplify right side
    201,753.70x = 37,230,124,732.94
  5. Step 5: Solve for x
    x = 37,230,124,732.94/201,753.70
  6. Step 6: Final answer
    x = 184,532.55

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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.