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Finding the Fourth Proportional to 183,215.70, 274,356.98 and 120,696.66

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Solution

The fourth proportional to 183,215.70, 274,356.98 and 120,696.66 is: 180,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,215.70 : 274,356.98 = 120,696.66 : x
  2. Step 2: Convert to fraction form
    183,215.70/274,356.98 = 120,696.66/x
  3. Step 3: Cross multiply
    183,215.70x = 274,356.98 × 120,696.66
  4. Step 4: Simplify right side
    183,215.70x = 33,113,971,133.69
  5. Step 5: Solve for x
    x = 33,113,971,133.69/183,215.70
  6. Step 6: Final answer
    x = 180,737.63

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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.