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Finding the Fourth Proportional to 70,684.83, 97,562.30 and 43,467.61

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Solution

The fourth proportional to 70,684.83, 97,562.30 and 43,467.61 is: 59,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,684.83 : 97,562.30 = 43,467.61 : x
  2. Step 2: Convert to fraction form
    70,684.83/97,562.30 = 43,467.61/x
  3. Step 3: Cross multiply
    70,684.83x = 97,562.30 × 43,467.61
  4. Step 4: Simplify right side
    70,684.83x = 4,240,800,125.44
  5. Step 5: Solve for x
    x = 4,240,800,125.44/70,684.83
  6. Step 6: Final answer
    x = 59,995.90

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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.