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Finding the Fourth Proportional to 162,022.60, 243,033.90 and 43,705.90

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Solution

The fourth proportional to 162,022.60, 243,033.90 and 43,705.90 is: 65,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,022.60 : 243,033.90 = 43,705.90 : x
  2. Step 2: Convert to fraction form
    162,022.60/243,033.90 = 43,705.90/x
  3. Step 3: Cross multiply
    162,022.60x = 243,033.90 × 43,705.90
  4. Step 4: Simplify right side
    162,022.60x = 10,622,015,330.01
  5. Step 5: Solve for x
    x = 10,622,015,330.01/162,022.60
  6. Step 6: Final answer
    x = 65,558.85

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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.