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Finding the Fourth Proportional to 74,999.16, 103,498.90 and 41,007.11

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Solution

The fourth proportional to 74,999.16, 103,498.90 and 41,007.11 is: 56,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,999.16 : 103,498.90 = 41,007.11 : x
  2. Step 2: Convert to fraction form
    74,999.16/103,498.90 = 41,007.11/x
  3. Step 3: Cross multiply
    74,999.16x = 103,498.90 × 41,007.11
  4. Step 4: Simplify right side
    74,999.16x = 4,244,190,157.17
  5. Step 5: Solve for x
    x = 4,244,190,157.17/74,999.16
  6. Step 6: Final answer
    x = 56,589.84

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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.