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Finding the Fourth Proportional to 74,364.26, 111,522.72 and 24,432.74

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Solution

The fourth proportional to 74,364.26, 111,522.72 and 24,432.74 is: 36,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.26 : 111,522.72 = 24,432.74 : x
  2. Step 2: Convert to fraction form
    74,364.26/111,522.72 = 24,432.74/x
  3. Step 3: Cross multiply
    74,364.26x = 111,522.72 × 24,432.74
  4. Step 4: Simplify right side
    74,364.26x = 2,724,805,621.85
  5. Step 5: Solve for x
    x = 2,724,805,621.85/74,364.26
  6. Step 6: Final answer
    x = 36,641.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.