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Finding the Fourth Proportional to 74,680.52, 103,059.42 and 41,146.52

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Solution

The fourth proportional to 74,680.52, 103,059.42 and 41,146.52 is: 56,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.52 : 103,059.42 = 41,146.52 : x
  2. Step 2: Convert to fraction form
    74,680.52/103,059.42 = 41,146.52/x
  3. Step 3: Cross multiply
    74,680.52x = 103,059.42 × 41,146.52
  4. Step 4: Simplify right side
    74,680.52x = 4,240,536,486.22
  5. Step 5: Solve for x
    x = 4,240,536,486.22/74,680.52
  6. Step 6: Final answer
    x = 56,782.36

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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.