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Finding the Fourth Proportional to 73,287.29, 101,140.94 and 41,021.30

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Solution

The fourth proportional to 73,287.29, 101,140.94 and 41,021.30 is: 56,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287.29 : 101,140.94 = 41,021.30 : x
  2. Step 2: Convert to fraction form
    73,287.29/101,140.94 = 41,021.30/x
  3. Step 3: Cross multiply
    73,287.29x = 101,140.94 × 41,021.30
  4. Step 4: Simplify right side
    73,287.29x = 4,148,932,842.02
  5. Step 5: Solve for x
    x = 4,148,932,842.02/73,287.29
  6. Step 6: Final answer
    x = 56,611.90

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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.