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Finding the Fourth Proportional to 183,974.50, 253,885.05 and 104,486.50

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Solution

The fourth proportional to 183,974.50, 253,885.05 and 104,486.50 is: 144,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,974.50 : 253,885.05 = 104,486.50 : x
  2. Step 2: Convert to fraction form
    183,974.50/253,885.05 = 104,486.50/x
  3. Step 3: Cross multiply
    183,974.50x = 253,885.05 × 104,486.50
  4. Step 4: Simplify right side
    183,974.50x = 26,527,560,276.83
  5. Step 5: Solve for x
    x = 26,527,560,276.83/183,974.50
  6. Step 6: Final answer
    x = 144,191.51

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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.