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Finding the Fourth Proportional to 122,799, 184,256.82 and 39,693

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Solution

The fourth proportional to 122,799, 184,256.82 and 39,693 is: 59,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,799 : 184,256.82 = 39,693 : x
  2. Step 2: Convert to fraction form
    122,799/184,256.82 = 39,693/x
  3. Step 3: Cross multiply
    122,799x = 184,256.82 × 39,693
  4. Step 4: Simplify right side
    122,799x = 7,313,705,956.26
  5. Step 5: Solve for x
    x = 7,313,705,956.26/122,799
  6. Step 6: Final answer
    x = 59,558.35

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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.