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Finding the Fourth Proportional to 216,846.80, 325,270.20 and 157,403.60

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Solution

The fourth proportional to 216,846.80, 325,270.20 and 157,403.60 is: 236,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,846.80 : 325,270.20 = 157,403.60 : x
  2. Step 2: Convert to fraction form
    216,846.80/325,270.20 = 157,403.60/x
  3. Step 3: Cross multiply
    216,846.80x = 325,270.20 × 157,403.60
  4. Step 4: Simplify right side
    216,846.80x = 51,198,700,452.72
  5. Step 5: Solve for x
    x = 51,198,700,452.72/216,846.80
  6. Step 6: Final answer
    x = 236,105.40

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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.