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Finding the Fourth Proportional to 116,120.40, 173,921.40 and 95,384.40

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Solution

The fourth proportional to 116,120.40, 173,921.40 and 95,384.40 is: 142,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,120.40 : 173,921.40 = 95,384.40 : x
  2. Step 2: Convert to fraction form
    116,120.40/173,921.40 = 95,384.40/x
  3. Step 3: Cross multiply
    116,120.40x = 173,921.40 × 95,384.40
  4. Step 4: Simplify right side
    116,120.40x = 16,589,388,386.16
  5. Step 5: Solve for x
    x = 16,589,388,386.16/116,120.40
  6. Step 6: Final answer
    x = 142,863.69

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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.