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Finding the Fourth Proportional to 183,644.60, 275,006.10 and 120,975.80

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Solution

The fourth proportional to 183,644.60, 275,006.10 and 120,975.80 is: 181,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,644.60 : 275,006.10 = 120,975.80 : x
  2. Step 2: Convert to fraction form
    183,644.60/275,006.10 = 120,975.80/x
  3. Step 3: Cross multiply
    183,644.60x = 275,006.10 × 120,975.80
  4. Step 4: Simplify right side
    183,644.60x = 33,269,082,952.38
  5. Step 5: Solve for x
    x = 33,269,082,952.38/183,644.60
  6. Step 6: Final answer
    x = 181,160.15

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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.