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Finding the Fourth Proportional to 229,469.85, 344,071.13 and 89,064.45

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Solution

The fourth proportional to 229,469.85, 344,071.13 and 89,064.45 is: 133,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,469.85 : 344,071.13 = 89,064.45 : x
  2. Step 2: Convert to fraction form
    229,469.85/344,071.13 = 89,064.45/x
  3. Step 3: Cross multiply
    229,469.85x = 344,071.13 × 89,064.45
  4. Step 4: Simplify right side
    229,469.85x = 30,644,505,509.01
  5. Step 5: Solve for x
    x = 30,644,505,509.01/229,469.85
  6. Step 6: Final answer
    x = 133,544.80

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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.