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Finding the Fourth Proportional to 74,650.94, 103,018.29 and 41,116.94

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Solution

The fourth proportional to 74,650.94, 103,018.29 and 41,116.94 is: 56,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.94 : 103,018.29 = 41,116.94 : x
  2. Step 2: Convert to fraction form
    74,650.94/103,018.29 = 41,116.94/x
  3. Step 3: Cross multiply
    74,650.94x = 103,018.29 × 41,116.94
  4. Step 4: Simplify right side
    74,650.94x = 4,235,796,848.83
  5. Step 5: Solve for x
    x = 4,235,796,848.83/74,650.94
  6. Step 6: Final answer
    x = 56,741.37

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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.