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Finding the Fourth Proportional to 235,986.48, 353,983.36 and 67,503.64

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Solution

The fourth proportional to 235,986.48, 353,983.36 and 67,503.64 is: 101,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,986.48 : 353,983.36 = 67,503.64 : x
  2. Step 2: Convert to fraction form
    235,986.48/353,983.36 = 67,503.64/x
  3. Step 3: Cross multiply
    235,986.48x = 353,983.36 × 67,503.64
  4. Step 4: Simplify right side
    235,986.48x = 23,895,165,299.43
  5. Step 5: Solve for x
    x = 23,895,165,299.43/235,986.48
  6. Step 6: Final answer
    x = 101,256.50

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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.