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Finding the Fourth Proportional to 228,234.40, 342,351.60 and 70,462.60

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Solution

The fourth proportional to 228,234.40, 342,351.60 and 70,462.60 is: 105,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,234.40 : 342,351.60 = 70,462.60 : x
  2. Step 2: Convert to fraction form
    228,234.40/342,351.60 = 70,462.60/x
  3. Step 3: Cross multiply
    228,234.40x = 342,351.60 × 70,462.60
  4. Step 4: Simplify right side
    228,234.40x = 24,122,983,850.16
  5. Step 5: Solve for x
    x = 24,122,983,850.16/228,234.40
  6. Step 6: Final answer
    x = 105,693.90

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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.