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Finding the Fourth Proportional to 183,336.89, 274,971.77 and 76,692.45

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Solution

The fourth proportional to 183,336.89, 274,971.77 and 76,692.45 is: 115,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,336.89 : 274,971.77 = 76,692.45 : x
  2. Step 2: Convert to fraction form
    183,336.89/274,971.77 = 76,692.45/x
  3. Step 3: Cross multiply
    183,336.89x = 274,971.77 × 76,692.45
  4. Step 4: Simplify right side
    183,336.89x = 21,088,258,888.66
  5. Step 5: Solve for x
    x = 21,088,258,888.66/183,336.89
  6. Step 6: Final answer
    x = 115,024.63

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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.