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Finding the Fourth Proportional to 229,087.99, 343,493.88 and 102,705.39

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Solution

The fourth proportional to 229,087.99, 343,493.88 and 102,705.39 is: 153,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,087.99 : 343,493.88 = 102,705.39 : x
  2. Step 2: Convert to fraction form
    229,087.99/343,493.88 = 102,705.39/x
  3. Step 3: Cross multiply
    229,087.99x = 343,493.88 × 102,705.39
  4. Step 4: Simplify right side
    229,087.99x = 35,278,672,394.49
  5. Step 5: Solve for x
    x = 35,278,672,394.49/229,087.99
  6. Step 6: Final answer
    x = 153,996.17

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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.