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Finding the Fourth Proportional to 266,466.24, 399,738.24 and 88,940.16

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Solution

The fourth proportional to 266,466.24, 399,738.24 and 88,940.16 is: 133,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,466.24 : 399,738.24 = 88,940.16 : x
  2. Step 2: Convert to fraction form
    266,466.24/399,738.24 = 88,940.16/x
  3. Step 3: Cross multiply
    266,466.24x = 399,738.24 × 88,940.16
  4. Step 4: Simplify right side
    266,466.24x = 35,552,783,023.72
  5. Step 5: Solve for x
    x = 35,552,783,023.72/266,466.24
  6. Step 6: Final answer
    x = 133,423.22

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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.