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Finding the Fourth Proportional to 219,234.60, 328,851.90 and 125,922.60

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Solution

The fourth proportional to 219,234.60, 328,851.90 and 125,922.60 is: 188,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,234.60 : 328,851.90 = 125,922.60 : x
  2. Step 2: Convert to fraction form
    219,234.60/328,851.90 = 125,922.60/x
  3. Step 3: Cross multiply
    219,234.60x = 328,851.90 × 125,922.60
  4. Step 4: Simplify right side
    219,234.60x = 41,409,886,262.94
  5. Step 5: Solve for x
    x = 41,409,886,262.94/219,234.60
  6. Step 6: Final answer
    x = 188,883.90

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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.