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Finding the Fourth Proportional to 235,352.52, 353,051.88 and 66,880.62

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Solution

The fourth proportional to 235,352.52, 353,051.88 and 66,880.62 is: 100,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,352.52 : 353,051.88 = 66,880.62 : x
  2. Step 2: Convert to fraction form
    235,352.52/353,051.88 = 66,880.62/x
  3. Step 3: Cross multiply
    235,352.52x = 353,051.88 × 66,880.62
  4. Step 4: Simplify right side
    235,352.52x = 23,612,328,626.57
  5. Step 5: Solve for x
    x = 23,612,328,626.57/235,352.52
  6. Step 6: Final answer
    x = 100,327.49

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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.