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Finding the Fourth Proportional to 116,960.96, 161,406.24 and 63,246

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Solution

The fourth proportional to 116,960.96, 161,406.24 and 63,246 is: 87,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,960.96 : 161,406.24 = 63,246 : x
  2. Step 2: Convert to fraction form
    116,960.96/161,406.24 = 63,246/x
  3. Step 3: Cross multiply
    116,960.96x = 161,406.24 × 63,246
  4. Step 4: Simplify right side
    116,960.96x = 10,208,299,055.04
  5. Step 5: Solve for x
    x = 10,208,299,055.04/116,960.96
  6. Step 6: Final answer
    x = 87,279.54

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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.