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Finding the Fourth Proportional to 122,325.20, 183,487.80 and 88,974.80

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Solution

The fourth proportional to 122,325.20, 183,487.80 and 88,974.80 is: 133,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,325.20 : 183,487.80 = 88,974.80 : x
  2. Step 2: Convert to fraction form
    122,325.20/183,487.80 = 88,974.80/x
  3. Step 3: Cross multiply
    122,325.20x = 183,487.80 × 88,974.80
  4. Step 4: Simplify right side
    122,325.20x = 16,325,790,307.44
  5. Step 5: Solve for x
    x = 16,325,790,307.44/122,325.20
  6. Step 6: Final answer
    x = 133,462.20

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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.