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Finding the Fourth Proportional to 216,002.80, 324,004.20 and 157,250.80

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Solution

The fourth proportional to 216,002.80, 324,004.20 and 157,250.80 is: 235,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,002.80 : 324,004.20 = 157,250.80 : x
  2. Step 2: Convert to fraction form
    216,002.80/324,004.20 = 157,250.80/x
  3. Step 3: Cross multiply
    216,002.80x = 324,004.20 × 157,250.80
  4. Step 4: Simplify right side
    216,002.80x = 50,949,919,653.36
  5. Step 5: Solve for x
    x = 50,949,919,653.36/216,002.80
  6. Step 6: Final answer
    x = 235,876.20

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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.