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Finding the Fourth Proportional to 77,245, 106,586.10 and 43,244.44

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Solution

The fourth proportional to 77,245, 106,586.10 and 43,244.44 is: 59,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,245 : 106,586.10 = 43,244.44 : x
  2. Step 2: Convert to fraction form
    77,245/106,586.10 = 43,244.44/x
  3. Step 3: Cross multiply
    77,245x = 106,586.10 × 43,244.44
  4. Step 4: Simplify right side
    77,245x = 4,609,256,206.28
  5. Step 5: Solve for x
    x = 4,609,256,206.28/77,245
  6. Step 6: Final answer
    x = 59,670.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.