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Finding the Fourth Proportional to 162,606.80, 243,914.48 and 44,280.56

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Solution

The fourth proportional to 162,606.80, 243,914.48 and 44,280.56 is: 66,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,606.80 : 243,914.48 = 44,280.56 : x
  2. Step 2: Convert to fraction form
    162,606.80/243,914.48 = 44,280.56/x
  3. Step 3: Cross multiply
    162,606.80x = 243,914.48 × 44,280.56
  4. Step 4: Simplify right side
    162,606.80x = 10,800,669,766.51
  5. Step 5: Solve for x
    x = 10,800,669,766.51/162,606.80
  6. Step 6: Final answer
    x = 66,422.01

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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.