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Finding the Fourth Proportional to 182,806.40, 274,209.60 and 159,478.40

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Solution

The fourth proportional to 182,806.40, 274,209.60 and 159,478.40 is: 239,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,806.40 : 274,209.60 = 159,478.40 : x
  2. Step 2: Convert to fraction form
    182,806.40/274,209.60 = 159,478.40/x
  3. Step 3: Cross multiply
    182,806.40x = 274,209.60 × 159,478.40
  4. Step 4: Simplify right side
    182,806.40x = 43,730,508,272.64
  5. Step 5: Solve for x
    x = 43,730,508,272.64/182,806.40
  6. Step 6: Final answer
    x = 239,217.60

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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.