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Finding the Fourth Proportional to 201,758.70, 302,638.05 and 123,026.70

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Solution

The fourth proportional to 201,758.70, 302,638.05 and 123,026.70 is: 184,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,758.70 : 302,638.05 = 123,026.70 : x
  2. Step 2: Convert to fraction form
    201,758.70/302,638.05 = 123,026.70/x
  3. Step 3: Cross multiply
    201,758.70x = 302,638.05 × 123,026.70
  4. Step 4: Simplify right side
    201,758.70x = 37,232,560,585.94
  5. Step 5: Solve for x
    x = 37,232,560,585.94/201,758.70
  6. Step 6: Final answer
    x = 184,540.05

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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.