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Finding the Fourth Proportional to 228,404.83, 342,657.60 and 68,474.38

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Solution

The fourth proportional to 228,404.83, 342,657.60 and 68,474.38 is: 102,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,404.83 : 342,657.60 = 68,474.38 : x
  2. Step 2: Convert to fraction form
    228,404.83/342,657.60 = 68,474.38/x
  3. Step 3: Cross multiply
    228,404.83x = 342,657.60 × 68,474.38
  4. Step 4: Simplify right side
    228,404.83x = 23,463,266,712.29
  5. Step 5: Solve for x
    x = 23,463,266,712.29/228,404.83
  6. Step 6: Final answer
    x = 102,726.67

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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.