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Finding the Fourth Proportional to 432,167.52, 648,251.30 and 116,623.92

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Solution

The fourth proportional to 432,167.52, 648,251.30 and 116,623.92 is: 174,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,167.52 : 648,251.30 = 116,623.92 : x
  2. Step 2: Convert to fraction form
    432,167.52/648,251.30 = 116,623.92/x
  3. Step 3: Cross multiply
    432,167.52x = 648,251.30 × 116,623.92
  4. Step 4: Simplify right side
    432,167.52x = 75,601,607,751.10
  5. Step 5: Solve for x
    x = 75,601,607,751.10/432,167.52
  6. Step 6: Final answer
    x = 174,935.89

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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.