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Finding the Fourth Proportional to 74,577.62, 102,917.32 and 41,043.62

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Solution

The fourth proportional to 74,577.62, 102,917.32 and 41,043.62 is: 56,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,577.62 : 102,917.32 = 41,043.62 : x
  2. Step 2: Convert to fraction form
    74,577.62/102,917.32 = 41,043.62/x
  3. Step 3: Cross multiply
    74,577.62x = 102,917.32 × 41,043.62
  4. Step 4: Simplify right side
    74,577.62x = 4,224,099,373.50
  5. Step 5: Solve for x
    x = 4,224,099,373.50/74,577.62
  6. Step 6: Final answer
    x = 56,640.31

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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.