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Finding the Fourth Proportional to 183,422.40, 275,133.60 and 161,771.10

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Solution

The fourth proportional to 183,422.40, 275,133.60 and 161,771.10 is: 242,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,422.40 : 275,133.60 = 161,771.10 : x
  2. Step 2: Convert to fraction form
    183,422.40/275,133.60 = 161,771.10/x
  3. Step 3: Cross multiply
    183,422.40x = 275,133.60 × 161,771.10
  4. Step 4: Simplify right side
    183,422.40x = 44,508,665,118.96
  5. Step 5: Solve for x
    x = 44,508,665,118.96/183,422.40
  6. Step 6: Final answer
    x = 242,656.65

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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.