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Finding the Fourth Proportional to 201,157.10, 301,957.23 and 169,954.07

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Solution

The fourth proportional to 201,157.10, 301,957.23 and 169,954.07 is: 255,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,157.10 : 301,957.23 = 169,954.07 : x
  2. Step 2: Convert to fraction form
    201,157.10/301,957.23 = 169,954.07/x
  3. Step 3: Cross multiply
    201,157.10x = 301,957.23 × 169,954.07
  4. Step 4: Simplify right side
    201,157.10x = 51,318,860,204.43
  5. Step 5: Solve for x
    x = 51,318,860,204.43/201,157.10
  6. Step 6: Final answer
    x = 255,118.31

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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.