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Finding the Fourth Proportional to 316,995.45, 475,564.93 and 182,121.79

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Solution

The fourth proportional to 316,995.45, 475,564.93 and 182,121.79 is: 273,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,995.45 : 475,564.93 = 182,121.79 : x
  2. Step 2: Convert to fraction form
    316,995.45/475,564.93 = 182,121.79/x
  3. Step 3: Cross multiply
    316,995.45x = 475,564.93 × 182,121.79
  4. Step 4: Simplify right side
    316,995.45x = 86,610,734,668.61
  5. Step 5: Solve for x
    x = 86,610,734,668.61/316,995.45
  6. Step 6: Final answer
    x = 273,223.90

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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.