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Finding the Fourth Proportional to 74,879, 103,333.04 and 41,347.16

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Solution

The fourth proportional to 74,879, 103,333.04 and 41,347.16 is: 57,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879 : 103,333.04 = 41,347.16 : x
  2. Step 2: Convert to fraction form
    74,879/103,333.04 = 41,347.16/x
  3. Step 3: Cross multiply
    74,879x = 103,333.04 × 41,347.16
  4. Step 4: Simplify right side
    74,879x = 4,272,527,738.17
  5. Step 5: Solve for x
    x = 4,272,527,738.17/74,879
  6. Step 6: Final answer
    x = 57,059.09

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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.