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Finding the Fourth Proportional to 266,096.28, 399,208.20 and 88,604.89

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Solution

The fourth proportional to 266,096.28, 399,208.20 and 88,604.89 is: 132,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,096.28 : 399,208.20 = 88,604.89 : x
  2. Step 2: Convert to fraction form
    266,096.28/399,208.20 = 88,604.89/x
  3. Step 3: Cross multiply
    266,096.28x = 399,208.20 × 88,604.89
  4. Step 4: Simplify right side
    266,096.28x = 35,371,798,648.10
  5. Step 5: Solve for x
    x = 35,371,798,648.10/266,096.28
  6. Step 6: Final answer
    x = 132,928.57

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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.