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Finding the Fourth Proportional to 116,999.69, 175,353.94 and 56,979.10

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Solution

The fourth proportional to 116,999.69, 175,353.94 and 56,979.10 is: 85,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,999.69 : 175,353.94 = 56,979.10 : x
  2. Step 2: Convert to fraction form
    116,999.69/175,353.94 = 56,979.10/x
  3. Step 3: Cross multiply
    116,999.69x = 175,353.94 × 56,979.10
  4. Step 4: Simplify right side
    116,999.69x = 9,991,508,520.99
  5. Step 5: Solve for x
    x = 9,991,508,520.99/116,999.69
  6. Step 6: Final answer
    x = 85,397.73

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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.