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Finding the Fourth Proportional to 192,071.72, 265,052.03 and 106,028.86

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Solution

The fourth proportional to 192,071.72, 265,052.03 and 106,028.86 is: 146,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,071.72 : 265,052.03 = 106,028.86 : x
  2. Step 2: Convert to fraction form
    192,071.72/265,052.03 = 106,028.86/x
  3. Step 3: Cross multiply
    192,071.72x = 265,052.03 × 106,028.86
  4. Step 4: Simplify right side
    192,071.72x = 28,103,163,653.88
  5. Step 5: Solve for x
    x = 28,103,163,653.88/192,071.72
  6. Step 6: Final answer
    x = 146,315.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.