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Finding the Fourth Proportional to 192,054.48, 265,052.76 and 106,028.88

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Solution

The fourth proportional to 192,054.48, 265,052.76 and 106,028.88 is: 146,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,054.48 : 265,052.76 = 106,028.88 : x
  2. Step 2: Convert to fraction form
    192,054.48/265,052.76 = 106,028.88/x
  3. Step 3: Cross multiply
    192,054.48x = 265,052.76 × 106,028.88
  4. Step 4: Simplify right side
    192,054.48x = 28,103,247,283.71
  5. Step 5: Solve for x
    x = 28,103,247,283.71/192,054.48
  6. Step 6: Final answer
    x = 146,329.56

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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.