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Finding the Fourth Proportional to 266,014.92, 399,082.53 and 88,528.94

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Solution

The fourth proportional to 266,014.92, 399,082.53 and 88,528.94 is: 132,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,014.92 : 399,082.53 = 88,528.94 : x
  2. Step 2: Convert to fraction form
    266,014.92/399,082.53 = 88,528.94/x
  3. Step 3: Cross multiply
    266,014.92x = 399,082.53 × 88,528.94
  4. Step 4: Simplify right side
    266,014.92x = 35,330,351,358.01
  5. Step 5: Solve for x
    x = 35,330,351,358.01/266,014.92
  6. Step 6: Final answer
    x = 132,813.42

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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.