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Finding the Fourth Proportional to 116,496.41, 174,482.08 and 81,591.89

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Solution

The fourth proportional to 116,496.41, 174,482.08 and 81,591.89 is: 122,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,496.41 : 174,482.08 = 81,591.89 : x
  2. Step 2: Convert to fraction form
    116,496.41/174,482.08 = 81,591.89/x
  3. Step 3: Cross multiply
    116,496.41x = 174,482.08 × 81,591.89
  4. Step 4: Simplify right side
    116,496.41x = 14,236,321,601.94
  5. Step 5: Solve for x
    x = 14,236,321,601.94/116,496.41
  6. Step 6: Final answer
    x = 122,203.96

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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.