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Finding the Fourth Proportional to 188,768.40, 282,919.32 and 95,223.12

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Solution

The fourth proportional to 188,768.40, 282,919.32 and 95,223.12 is: 142,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,768.40 : 282,919.32 = 95,223.12 : x
  2. Step 2: Convert to fraction form
    188,768.40/282,919.32 = 95,223.12/x
  3. Step 3: Cross multiply
    188,768.40x = 282,919.32 × 95,223.12
  4. Step 4: Simplify right side
    188,768.40x = 26,940,460,358.68
  5. Step 5: Solve for x
    x = 26,940,460,358.68/188,768.40
  6. Step 6: Final answer
    x = 142,717.00

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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.