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Finding the Fourth Proportional to 183,128.39, 275,114.73 and 175,561.78

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Solution

The fourth proportional to 183,128.39, 275,114.73 and 175,561.78 is: 263,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,128.39 : 275,114.73 = 175,561.78 : x
  2. Step 2: Convert to fraction form
    183,128.39/275,114.73 = 175,561.78/x
  3. Step 3: Cross multiply
    183,128.39x = 275,114.73 × 175,561.78
  4. Step 4: Simplify right side
    183,128.39x = 48,299,631,201.89
  5. Step 5: Solve for x
    x = 48,299,631,201.89/183,128.39
  6. Step 6: Final answer
    x = 263,747.36

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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.