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Finding the Fourth Proportional to 158,540.80, 237,609.60 and 64,940.80

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Solution

The fourth proportional to 158,540.80, 237,609.60 and 64,940.80 is: 97,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,540.80 : 237,609.60 = 64,940.80 : x
  2. Step 2: Convert to fraction form
    158,540.80/237,609.60 = 64,940.80/x
  3. Step 3: Cross multiply
    158,540.80x = 237,609.60 × 64,940.80
  4. Step 4: Simplify right side
    158,540.80x = 15,430,557,511.68
  5. Step 5: Solve for x
    x = 15,430,557,511.68/158,540.80
  6. Step 6: Final answer
    x = 97,328.62

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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.