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Finding the Fourth Proportional to 192,620.04, 265,810.54 and 106,576.78

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Solution

The fourth proportional to 192,620.04, 265,810.54 and 106,576.78 is: 147,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,620.04 : 265,810.54 = 106,576.78 : x
  2. Step 2: Convert to fraction form
    192,620.04/265,810.54 = 106,576.78/x
  3. Step 3: Cross multiply
    192,620.04x = 265,810.54 × 106,576.78
  4. Step 4: Simplify right side
    192,620.04x = 28,329,231,443.26
  5. Step 5: Solve for x
    x = 28,329,231,443.26/192,620.04
  6. Step 6: Final answer
    x = 147,073.13

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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.