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Finding the Fourth Proportional to 159,239.94, 238,860.09 and 40,912.26

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Solution

The fourth proportional to 159,239.94, 238,860.09 and 40,912.26 is: 61,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,239.94 : 238,860.09 = 40,912.26 : x
  2. Step 2: Convert to fraction form
    159,239.94/238,860.09 = 40,912.26/x
  3. Step 3: Cross multiply
    159,239.94x = 238,860.09 × 40,912.26
  4. Step 4: Simplify right side
    159,239.94x = 9,772,306,105.70
  5. Step 5: Solve for x
    x = 9,772,306,105.70/159,239.94
  6. Step 6: Final answer
    x = 61,368.44

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1.5x scale

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.