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Finding the Fourth Proportional to 201,422.10, 301,768.65 and 96,008.70

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Solution

The fourth proportional to 201,422.10, 301,768.65 and 96,008.70 is: 143,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,422.10 : 301,768.65 = 96,008.70 : x
  2. Step 2: Convert to fraction form
    201,422.10/301,768.65 = 96,008.70/x
  3. Step 3: Cross multiply
    201,422.10x = 301,768.65 × 96,008.70
  4. Step 4: Simplify right side
    201,422.10x = 28,972,415,787.26
  5. Step 5: Solve for x
    x = 28,972,415,787.26/201,422.10
  6. Step 6: Final answer
    x = 143,839.31

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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.