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Finding the Fourth Proportional to 248,996.58, 343,605.34 and 147,054.89

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Solution

The fourth proportional to 248,996.58, 343,605.34 and 147,054.89 is: 202,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,996.58 : 343,605.34 = 147,054.89 : x
  2. Step 2: Convert to fraction form
    248,996.58/343,605.34 = 147,054.89/x
  3. Step 3: Cross multiply
    248,996.58x = 343,605.34 × 147,054.89
  4. Step 4: Simplify right side
    248,996.58x = 50,528,846,519.94
  5. Step 5: Solve for x
    x = 50,528,846,519.94/248,996.58
  6. Step 6: Final answer
    x = 202,929.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.