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Finding the Fourth Proportional to 183,121.88, 274,684.55 and 64,813.28

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Solution

The fourth proportional to 183,121.88, 274,684.55 and 64,813.28 is: 97,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,121.88 : 274,684.55 = 64,813.28 : x
  2. Step 2: Convert to fraction form
    183,121.88/274,684.55 = 64,813.28/x
  3. Step 3: Cross multiply
    183,121.88x = 274,684.55 × 64,813.28
  4. Step 4: Simplify right side
    183,121.88x = 17,803,204,953.33
  5. Step 5: Solve for x
    x = 17,803,204,953.33/183,121.88
  6. Step 6: Final answer
    x = 97,220.53

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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.