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Finding the Fourth Proportional to 144,169.47, 215,828.37 and 106,479.27

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Solution

The fourth proportional to 144,169.47, 215,828.37 and 106,479.27 is: 159,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,169.47 : 215,828.37 = 106,479.27 : x
  2. Step 2: Convert to fraction form
    144,169.47/215,828.37 = 106,479.27/x
  3. Step 3: Cross multiply
    144,169.47x = 215,828.37 × 106,479.27
  4. Step 4: Simplify right side
    144,169.47x = 22,981,247,282.89
  5. Step 5: Solve for x
    x = 22,981,247,282.89/144,169.47
  6. Step 6: Final answer
    x = 159,404.40

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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.