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Finding the Fourth Proportional to 250,458.84, 345,668.66 and 154,996.36

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Solution

The fourth proportional to 250,458.84, 345,668.66 and 154,996.36 is: 213,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,458.84 : 345,668.66 = 154,996.36 : x
  2. Step 2: Convert to fraction form
    250,458.84/345,668.66 = 154,996.36/x
  3. Step 3: Cross multiply
    250,458.84x = 345,668.66 × 154,996.36
  4. Step 4: Simplify right side
    250,458.84x = 53,577,384,066.08
  5. Step 5: Solve for x
    x = 53,577,384,066.08/250,458.84
  6. Step 6: Final answer
    x = 213,916.92

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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.