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Finding the Fourth Proportional to 116,590.52, 160,921.81 and 68,214.96

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Solution

The fourth proportional to 116,590.52, 160,921.81 and 68,214.96 is: 94,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,590.52 : 160,921.81 = 68,214.96 : x
  2. Step 2: Convert to fraction form
    116,590.52/160,921.81 = 68,214.96/x
  3. Step 3: Cross multiply
    116,590.52x = 160,921.81 × 68,214.96
  4. Step 4: Simplify right side
    116,590.52x = 10,977,274,832.28
  5. Step 5: Solve for x
    x = 10,977,274,832.28/116,590.52
  6. Step 6: Final answer
    x = 94,152.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.