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Finding the Fourth Proportional to 162,814.40, 244,221.60 and 131,710.40

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Solution

The fourth proportional to 162,814.40, 244,221.60 and 131,710.40 is: 197,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,814.40 : 244,221.60 = 131,710.40 : x
  2. Step 2: Convert to fraction form
    162,814.40/244,221.60 = 131,710.40/x
  3. Step 3: Cross multiply
    162,814.40x = 244,221.60 × 131,710.40
  4. Step 4: Simplify right side
    162,814.40x = 32,166,524,624.64
  5. Step 5: Solve for x
    x = 32,166,524,624.64/162,814.40
  6. Step 6: Final answer
    x = 197,565.60

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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.