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Finding the Fourth Proportional to 201,068.34, 301,143 and 95,961.12

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Solution

The fourth proportional to 201,068.34, 301,143 and 95,961.12 is: 143,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,068.34 : 301,143 = 95,961.12 : x
  2. Step 2: Convert to fraction form
    201,068.34/301,143 = 95,961.12/x
  3. Step 3: Cross multiply
    201,068.34x = 301,143 × 95,961.12
  4. Step 4: Simplify right side
    201,068.34x = 28,898,019,560.16
  5. Step 5: Solve for x
    x = 28,898,019,560.16/201,068.34
  6. Step 6: Final answer
    x = 143,722.38

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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.