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Finding the Fourth Proportional to 296,685.45, 445,085.46 and 96,951.96

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Solution

The fourth proportional to 296,685.45, 445,085.46 and 96,951.96 is: 145,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,685.45 : 445,085.46 = 96,951.96 : x
  2. Step 2: Convert to fraction form
    296,685.45/445,085.46 = 96,951.96/x
  3. Step 3: Cross multiply
    296,685.45x = 445,085.46 × 96,951.96
  4. Step 4: Simplify right side
    296,685.45x = 43,151,907,714.50
  5. Step 5: Solve for x
    x = 43,151,907,714.50/296,685.45
  6. Step 6: Final answer
    x = 145,446.66

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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.