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Finding the Fourth Proportional to 74,661.79, 103,033.27 and 41,127.79

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Solution

The fourth proportional to 74,661.79, 103,033.27 and 41,127.79 is: 56,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661.79 : 103,033.27 = 41,127.79 : x
  2. Step 2: Convert to fraction form
    74,661.79/103,033.27 = 41,127.79/x
  3. Step 3: Cross multiply
    74,661.79x = 103,033.27 × 41,127.79
  4. Step 4: Simplify right side
    74,661.79x = 4,237,530,691.57
  5. Step 5: Solve for x
    x = 4,237,530,691.57/74,661.79
  6. Step 6: Final answer
    x = 56,756.35

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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.