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Finding the Fourth Proportional to 116,934.39, 161,369.46 and 63,219.39

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Solution

The fourth proportional to 116,934.39, 161,369.46 and 63,219.39 is: 87,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,934.39 : 161,369.46 = 63,219.39 : x
  2. Step 2: Convert to fraction form
    116,934.39/161,369.46 = 63,219.39/x
  3. Step 3: Cross multiply
    116,934.39x = 161,369.46 × 63,219.39
  4. Step 4: Simplify right side
    116,934.39x = 10,201,678,825.83
  5. Step 5: Solve for x
    x = 10,201,678,825.83/116,934.39
  6. Step 6: Final answer
    x = 87,242.76

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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.