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Finding the Fourth Proportional to 71,447.47, 98,602.11 and 41,234.06

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Solution

The fourth proportional to 71,447.47, 98,602.11 and 41,234.06 is: 56,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,447.47 : 98,602.11 = 41,234.06 : x
  2. Step 2: Convert to fraction form
    71,447.47/98,602.11 = 41,234.06/x
  3. Step 3: Cross multiply
    71,447.47x = 98,602.11 × 41,234.06
  4. Step 4: Simplify right side
    71,447.47x = 4,065,765,566.37
  5. Step 5: Solve for x
    x = 4,065,765,566.37/71,447.47
  6. Step 6: Final answer
    x = 56,905.66

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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.