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Finding the Fourth Proportional to 183,783.30, 275,310.45 and 161,864.70

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Solution

The fourth proportional to 183,783.30, 275,310.45 and 161,864.70 is: 242,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,783.30 : 275,310.45 = 161,864.70 : x
  2. Step 2: Convert to fraction form
    183,783.30/275,310.45 = 161,864.70/x
  3. Step 3: Cross multiply
    183,783.30x = 275,310.45 × 161,864.70
  4. Step 4: Simplify right side
    183,783.30x = 44,563,043,396.12
  5. Step 5: Solve for x
    x = 44,563,043,396.12/183,783.30
  6. Step 6: Final answer
    x = 242,476.02

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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.