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Finding the Fourth Proportional to 156,920.40, 235,369.80 and 50,302.80

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Solution

The fourth proportional to 156,920.40, 235,369.80 and 50,302.80 is: 75,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.40 : 235,369.80 = 50,302.80 : x
  2. Step 2: Convert to fraction form
    156,920.40/235,369.80 = 50,302.80/x
  3. Step 3: Cross multiply
    156,920.40x = 235,369.80 × 50,302.80
  4. Step 4: Simplify right side
    156,920.40x = 11,839,759,975.44
  5. Step 5: Solve for x
    x = 11,839,759,975.44/156,920.40
  6. Step 6: Final answer
    x = 75,450.74

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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.