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Finding the Fourth Proportional to 236,668.72, 354,423.12 and 152,163.04

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Solution

The fourth proportional to 236,668.72, 354,423.12 and 152,163.04 is: 227,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,668.72 : 354,423.12 = 152,163.04 : x
  2. Step 2: Convert to fraction form
    236,668.72/354,423.12 = 152,163.04/x
  3. Step 3: Cross multiply
    236,668.72x = 354,423.12 × 152,163.04
  4. Step 4: Simplify right side
    236,668.72x = 53,930,099,385.48
  5. Step 5: Solve for x
    x = 53,930,099,385.48/236,668.72
  6. Step 6: Final answer
    x = 227,871.68

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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.