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Finding the Fourth Proportional to 277,791.02, 383,348.25 and 168,859.28

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Solution

The fourth proportional to 277,791.02, 383,348.25 and 168,859.28 is: 233,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,791.02 : 383,348.25 = 168,859.28 : x
  2. Step 2: Convert to fraction form
    277,791.02/383,348.25 = 168,859.28/x
  3. Step 3: Cross multiply
    277,791.02x = 383,348.25 × 168,859.28
  4. Step 4: Simplify right side
    277,791.02x = 64,731,909,484.26
  5. Step 5: Solve for x
    x = 64,731,909,484.26/277,791.02
  6. Step 6: Final answer
    x = 233,023.77

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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.