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Finding the Fourth Proportional to 229,697.49, 344,518.89 and 61,230.45

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Solution

The fourth proportional to 229,697.49, 344,518.89 and 61,230.45 is: 91,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,697.49 : 344,518.89 = 61,230.45 : x
  2. Step 2: Convert to fraction form
    229,697.49/344,518.89 = 61,230.45/x
  3. Step 3: Cross multiply
    229,697.49x = 344,518.89 × 61,230.45
  4. Step 4: Simplify right side
    229,697.49x = 21,095,046,668.20
  5. Step 5: Solve for x
    x = 21,095,046,668.20/229,697.49
  6. Step 6: Final answer
    x = 91,838.39

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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.