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Finding the Fourth Proportional to 74,771.52, 103,184.20 and 41,237.52

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Solution

The fourth proportional to 74,771.52, 103,184.20 and 41,237.52 is: 56,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,771.52 : 103,184.20 = 41,237.52 : x
  2. Step 2: Convert to fraction form
    74,771.52/103,184.20 = 41,237.52/x
  3. Step 3: Cross multiply
    74,771.52x = 103,184.20 × 41,237.52
  4. Step 4: Simplify right side
    74,771.52x = 4,255,060,511.18
  5. Step 5: Solve for x
    x = 4,255,060,511.18/74,771.52
  6. Step 6: Final answer
    x = 56,907.50

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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.