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Finding the Fourth Proportional to 201,342.30, 302,013.45 and 61,100.70

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Solution

The fourth proportional to 201,342.30, 302,013.45 and 61,100.70 is: 91,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,342.30 : 302,013.45 = 61,100.70 : x
  2. Step 2: Convert to fraction form
    201,342.30/302,013.45 = 61,100.70/x
  3. Step 3: Cross multiply
    201,342.30x = 302,013.45 × 61,100.70
  4. Step 4: Simplify right side
    201,342.30x = 18,453,233,204.42
  5. Step 5: Solve for x
    x = 18,453,233,204.42/201,342.30
  6. Step 6: Final answer
    x = 91,651.05

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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.