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Finding the Fourth Proportional to 192,309.33, 265,402.38 and 106,275.88

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Solution

The fourth proportional to 192,309.33, 265,402.38 and 106,275.88 is: 146,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,309.33 : 265,402.38 = 106,275.88 : x
  2. Step 2: Convert to fraction form
    192,309.33/265,402.38 = 106,275.88/x
  3. Step 3: Cross multiply
    192,309.33x = 265,402.38 × 106,275.88
  4. Step 4: Simplify right side
    192,309.33x = 28,205,871,488.59
  5. Step 5: Solve for x
    x = 28,205,871,488.59/192,309.33
  6. Step 6: Final answer
    x = 146,669.28

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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.