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Finding the Fourth Proportional to 201,600.90, 302,401.35 and 149,112.90

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Solution

The fourth proportional to 201,600.90, 302,401.35 and 149,112.90 is: 223,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,600.90 : 302,401.35 = 149,112.90 : x
  2. Step 2: Convert to fraction form
    201,600.90/302,401.35 = 149,112.90/x
  3. Step 3: Cross multiply
    201,600.90x = 302,401.35 × 149,112.90
  4. Step 4: Simplify right side
    201,600.90x = 45,091,942,262.42
  5. Step 5: Solve for x
    x = 45,091,942,262.42/201,600.90
  6. Step 6: Final answer
    x = 223,669.35

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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.