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Finding the Fourth Proportional to 235,790.55, 353,635.59 and 67,265.63

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Solution

The fourth proportional to 235,790.55, 353,635.59 and 67,265.63 is: 100,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,790.55 : 353,635.59 = 67,265.63 : x
  2. Step 2: Convert to fraction form
    235,790.55/353,635.59 = 67,265.63/x
  3. Step 3: Cross multiply
    235,790.55x = 353,635.59 × 67,265.63
  4. Step 4: Simplify right side
    235,790.55x = 23,787,520,041.02
  5. Step 5: Solve for x
    x = 23,787,520,041.02/235,790.55
  6. Step 6: Final answer
    x = 100,884.11

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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.