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Finding the Fourth Proportional to 183,408.32, 253,103.45 and 102,835.85

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Solution

The fourth proportional to 183,408.32, 253,103.45 and 102,835.85 is: 141,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,408.32 : 253,103.45 = 102,835.85 : x
  2. Step 2: Convert to fraction form
    183,408.32/253,103.45 = 102,835.85/x
  3. Step 3: Cross multiply
    183,408.32x = 253,103.45 × 102,835.85
  4. Step 4: Simplify right side
    183,408.32x = 26,028,106,638.99
  5. Step 5: Solve for x
    x = 26,028,106,638.99/183,408.32
  6. Step 6: Final answer
    x = 141,913.44

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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.