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Finding the Fourth Proportional to 162,124.44, 243,177.48 and 43,786.86

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Solution

The fourth proportional to 162,124.44, 243,177.48 and 43,786.86 is: 65,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,124.44 : 243,177.48 = 43,786.86 : x
  2. Step 2: Convert to fraction form
    162,124.44/243,177.48 = 43,786.86/x
  3. Step 3: Cross multiply
    162,124.44x = 243,177.48 × 43,786.86
  4. Step 4: Simplify right side
    162,124.44x = 10,647,978,271.91
  5. Step 5: Solve for x
    x = 10,647,978,271.91/162,124.44
  6. Step 6: Final answer
    x = 65,677.81

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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.