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Finding the Fourth Proportional to 237,638.28, 356,457.42 and 79,866.73

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Solution

The fourth proportional to 237,638.28, 356,457.42 and 79,866.73 is: 119,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,638.28 : 356,457.42 = 79,866.73 : x
  2. Step 2: Convert to fraction form
    237,638.28/356,457.42 = 79,866.73/x
  3. Step 3: Cross multiply
    237,638.28x = 356,457.42 × 79,866.73
  4. Step 4: Simplify right side
    237,638.28x = 28,469,088,519.64
  5. Step 5: Solve for x
    x = 28,469,088,519.64/237,638.28
  6. Step 6: Final answer
    x = 119,800.10

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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.