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Finding the Fourth Proportional to 116,814.07, 161,203.31 and 63,099.07

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Solution

The fourth proportional to 116,814.07, 161,203.31 and 63,099.07 is: 87,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,814.07 : 161,203.31 = 63,099.07 : x
  2. Step 2: Convert to fraction form
    116,814.07/161,203.31 = 63,099.07/x
  3. Step 3: Cross multiply
    116,814.07x = 161,203.31 × 63,099.07
  4. Step 4: Simplify right side
    116,814.07x = 10,171,778,814.97
  5. Step 5: Solve for x
    x = 10,171,778,814.97/116,814.07
  6. Step 6: Final answer
    x = 87,076.66

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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.