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Finding the Fourth Proportional to 227,729.80, 341,133.90 and 157,688.20

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Solution

The fourth proportional to 227,729.80, 341,133.90 and 157,688.20 is: 236,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,729.80 : 341,133.90 = 157,688.20 : x
  2. Step 2: Convert to fraction form
    227,729.80/341,133.90 = 157,688.20/x
  3. Step 3: Cross multiply
    227,729.80x = 341,133.90 × 157,688.20
  4. Step 4: Simplify right side
    227,729.80x = 53,792,790,649.98
  5. Step 5: Solve for x
    x = 53,792,790,649.98/227,729.80
  6. Step 6: Final answer
    x = 236,213.23

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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.