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Finding the Fourth Proportional to 181,486.80, 271,711.80 and 162,824.40

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Solution

The fourth proportional to 181,486.80, 271,711.80 and 162,824.40 is: 243,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,486.80 : 271,711.80 = 162,824.40 : x
  2. Step 2: Convert to fraction form
    181,486.80/271,711.80 = 162,824.40/x
  3. Step 3: Cross multiply
    181,486.80x = 271,711.80 × 162,824.40
  4. Step 4: Simplify right side
    181,486.80x = 44,241,310,807.92
  5. Step 5: Solve for x
    x = 44,241,310,807.92/181,486.80
  6. Step 6: Final answer
    x = 243,771.51

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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.