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Finding the Fourth Proportional to 180,270.54, 270,412.02 and 61,940.88

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Solution

The fourth proportional to 180,270.54, 270,412.02 and 61,940.88 is: 92,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,270.54 : 270,412.02 = 61,940.88 : x
  2. Step 2: Convert to fraction form
    180,270.54/270,412.02 = 61,940.88/x
  3. Step 3: Cross multiply
    180,270.54x = 270,412.02 × 61,940.88
  4. Step 4: Simplify right side
    180,270.54x = 16,749,558,481.38
  5. Step 5: Solve for x
    x = 16,749,558,481.38/180,270.54
  6. Step 6: Final answer
    x = 92,913.45

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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.