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Finding the Fourth Proportional to 173,796.33, 239,859.09 and 105,853.17

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Solution

The fourth proportional to 173,796.33, 239,859.09 and 105,853.17 is: 146,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,796.33 : 239,859.09 = 105,853.17 : x
  2. Step 2: Convert to fraction form
    173,796.33/239,859.09 = 105,853.17/x
  3. Step 3: Cross multiply
    173,796.33x = 239,859.09 × 105,853.17
  4. Step 4: Simplify right side
    173,796.33x = 25,389,845,029.82
  5. Step 5: Solve for x
    x = 25,389,845,029.82/173,796.33
  6. Step 6: Final answer
    x = 146,089.65

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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.