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Finding the Fourth Proportional to 116,884.71, 161,301.63 and 63,169.60

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Solution

The fourth proportional to 116,884.71, 161,301.63 and 63,169.60 is: 87,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,884.71 : 161,301.63 = 63,169.60 : x
  2. Step 2: Convert to fraction form
    116,884.71/161,301.63 = 63,169.60/x
  3. Step 3: Cross multiply
    116,884.71x = 161,301.63 × 63,169.60
  4. Step 4: Simplify right side
    116,884.71x = 10,189,358,639.94
  5. Step 5: Solve for x
    x = 10,189,358,639.94/116,884.71
  6. Step 6: Final answer
    x = 87,174.44

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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.