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Finding the Fourth Proportional to 201,073.15, 301,609.53 and 51,313.44

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Solution

The fourth proportional to 201,073.15, 301,609.53 and 51,313.44 is: 76,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,073.15 : 301,609.53 = 51,313.44 : x
  2. Step 2: Convert to fraction form
    201,073.15/301,609.53 = 51,313.44/x
  3. Step 3: Cross multiply
    201,073.15x = 301,609.53 × 51,313.44
  4. Step 4: Simplify right side
    201,073.15x = 15,476,622,521.08
  5. Step 5: Solve for x
    x = 15,476,622,521.08/201,073.15
  6. Step 6: Final answer
    x = 76,970.11

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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.