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Finding the Fourth Proportional to 74,699.16, 103,084.86 and 41,165.16

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Solution

The fourth proportional to 74,699.16, 103,084.86 and 41,165.16 is: 56,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.16 : 103,084.86 = 41,165.16 : x
  2. Step 2: Convert to fraction form
    74,699.16/103,084.86 = 41,165.16/x
  3. Step 3: Cross multiply
    74,699.16x = 103,084.86 × 41,165.16
  4. Step 4: Simplify right side
    74,699.16x = 4,243,504,755.48
  5. Step 5: Solve for x
    x = 4,243,504,755.48/74,699.16
  6. Step 6: Final answer
    x = 56,807.93

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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.