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Finding the Fourth Proportional to 116,713.44, 174,807.59 and 81,808.92

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Solution

The fourth proportional to 116,713.44, 174,807.59 and 81,808.92 is: 122,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,713.44 : 174,807.59 = 81,808.92 : x
  2. Step 2: Convert to fraction form
    116,713.44/174,807.59 = 81,808.92/x
  3. Step 3: Cross multiply
    116,713.44x = 174,807.59 × 81,808.92
  4. Step 4: Simplify right side
    116,713.44x = 14,300,819,736.66
  5. Step 5: Solve for x
    x = 14,300,819,736.66/116,713.44
  6. Step 6: Final answer
    x = 122,529.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.