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Finding the Fourth Proportional to 192,373.92, 265,476.89 and 105,160.82

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Solution

The fourth proportional to 192,373.92, 265,476.89 and 105,160.82 is: 145,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,373.92 : 265,476.89 = 105,160.82 : x
  2. Step 2: Convert to fraction form
    192,373.92/265,476.89 = 105,160.82/x
  3. Step 3: Cross multiply
    192,373.92x = 265,476.89 × 105,160.82
  4. Step 4: Simplify right side
    192,373.92x = 27,917,766,378.97
  5. Step 5: Solve for x
    x = 27,917,766,378.97/192,373.92
  6. Step 6: Final answer
    x = 145,122.41

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1.5x scale

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.