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Finding the Fourth Proportional to 116,879.76, 161,294.09 and 63,164.68

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Solution

The fourth proportional to 116,879.76, 161,294.09 and 63,164.68 is: 87,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,879.76 : 161,294.09 = 63,164.68 : x
  2. Step 2: Convert to fraction form
    116,879.76/161,294.09 = 63,164.68/x
  3. Step 3: Cross multiply
    116,879.76x = 161,294.09 × 63,164.68
  4. Step 4: Simplify right side
    116,879.76x = 10,188,088,861.68
  5. Step 5: Solve for x
    x = 10,188,088,861.68/116,879.76
  6. Step 6: Final answer
    x = 87,167.26

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1.5x scale

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.