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Finding the Fourth Proportional to 201,321.30, 301,636.35 and 95,913.30

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Solution

The fourth proportional to 201,321.30, 301,636.35 and 95,913.30 is: 143,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,321.30 : 301,636.35 = 95,913.30 : x
  2. Step 2: Convert to fraction form
    201,321.30/301,636.35 = 95,913.30/x
  3. Step 3: Cross multiply
    201,321.30x = 301,636.35 × 95,913.30
  4. Step 4: Simplify right side
    201,321.30x = 28,930,937,728.46
  5. Step 5: Solve for x
    x = 28,930,937,728.46/201,321.30
  6. Step 6: Final answer
    x = 143,705.30

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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.