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Finding the Fourth Proportional to 117,991.68, 176,940.54 and 43,094.76

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Solution

The fourth proportional to 117,991.68, 176,940.54 and 43,094.76 is: 64,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,991.68 : 176,940.54 = 43,094.76 : x
  2. Step 2: Convert to fraction form
    117,991.68/176,940.54 = 43,094.76/x
  3. Step 3: Cross multiply
    117,991.68x = 176,940.54 × 43,094.76
  4. Step 4: Simplify right side
    117,991.68x = 7,625,210,105.57
  5. Step 5: Solve for x
    x = 7,625,210,105.57/117,991.68
  6. Step 6: Final answer
    x = 64,624.98

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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.