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Finding the Fourth Proportional to 116,784.36, 161,162.42 and 63,069.39

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Solution

The fourth proportional to 116,784.36, 161,162.42 and 63,069.39 is: 87,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,784.36 : 161,162.42 = 63,069.39 : x
  2. Step 2: Convert to fraction form
    116,784.36/161,162.42 = 63,069.39/x
  3. Step 3: Cross multiply
    116,784.36x = 161,162.42 × 63,069.39
  4. Step 4: Simplify right side
    116,784.36x = 10,164,415,204.98
  5. Step 5: Solve for x
    x = 10,164,415,204.98/116,784.36
  6. Step 6: Final answer
    x = 87,035.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.