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Finding the Fourth Proportional to 117,844.80, 176,572.80 and 110,846.40

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Solution

The fourth proportional to 117,844.80, 176,572.80 and 110,846.40 is: 166,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,844.80 : 176,572.80 = 110,846.40 : x
  2. Step 2: Convert to fraction form
    117,844.80/176,572.80 = 110,846.40/x
  3. Step 3: Cross multiply
    117,844.80x = 176,572.80 × 110,846.40
  4. Step 4: Simplify right side
    117,844.80x = 19,572,459,217.92
  5. Step 5: Solve for x
    x = 19,572,459,217.92/117,844.80
  6. Step 6: Final answer
    x = 166,086.74

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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.