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Finding the Fourth Proportional to 70,180.63, 96,850.69 and 38,351.61

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Solution

The fourth proportional to 70,180.63, 96,850.69 and 38,351.61 is: 52,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,180.63 : 96,850.69 = 38,351.61 : x
  2. Step 2: Convert to fraction form
    70,180.63/96,850.69 = 38,351.61/x
  3. Step 3: Cross multiply
    70,180.63x = 96,850.69 × 38,351.61
  4. Step 4: Simplify right side
    70,180.63x = 3,714,379,795.23
  5. Step 5: Solve for x
    x = 3,714,379,795.23/70,180.63
  6. Step 6: Final answer
    x = 52,926.00

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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.