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Finding the Fourth Proportional to 201,318.70, 301,613.55 and 159,474.10

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Solution

The fourth proportional to 201,318.70, 301,613.55 and 159,474.10 is: 238,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,318.70 : 301,613.55 = 159,474.10 : x
  2. Step 2: Convert to fraction form
    201,318.70/301,613.55 = 159,474.10/x
  3. Step 3: Cross multiply
    201,318.70x = 301,613.55 × 159,474.10
  4. Step 4: Simplify right side
    201,318.70x = 48,099,549,434.06
  5. Step 5: Solve for x
    x = 48,099,549,434.06/201,318.70
  6. Step 6: Final answer
    x = 238,922.41

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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.