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Finding the Fourth Proportional to 159,153.06, 238,729.62 and 40,824.39

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Solution

The fourth proportional to 159,153.06, 238,729.62 and 40,824.39 is: 61,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,153.06 : 238,729.62 = 40,824.39 : x
  2. Step 2: Convert to fraction form
    159,153.06/238,729.62 = 40,824.39/x
  3. Step 3: Cross multiply
    159,153.06x = 238,729.62 × 40,824.39
  4. Step 4: Simplify right side
    159,153.06x = 9,745,991,111.43
  5. Step 5: Solve for x
    x = 9,745,991,111.43/159,153.06
  6. Step 6: Final answer
    x = 61,236.59

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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.