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Finding the Fourth Proportional to 144,653.99, 217,015.36 and 60,367.32

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Solution

The fourth proportional to 144,653.99, 217,015.36 and 60,367.32 is: 90,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,653.99 : 217,015.36 = 60,367.32 : x
  2. Step 2: Convert to fraction form
    144,653.99/217,015.36 = 60,367.32/x
  3. Step 3: Cross multiply
    144,653.99x = 217,015.36 × 60,367.32
  4. Step 4: Simplify right side
    144,653.99x = 13,100,635,682.04
  5. Step 5: Solve for x
    x = 13,100,635,682.04/144,653.99
  6. Step 6: Final answer
    x = 90,565.33

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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.