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Finding the Fourth Proportional to 171,593.51, 236,718.93 and 107,966.39

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Solution

The fourth proportional to 171,593.51, 236,718.93 and 107,966.39 is: 148,943.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,593.51 : 236,718.93 = 107,966.39 : x
  2. Step 2: Convert to fraction form
    171,593.51/236,718.93 = 107,966.39/x
  3. Step 3: Cross multiply
    171,593.51x = 236,718.93 × 107,966.39
  4. Step 4: Simplify right side
    171,593.51x = 25,557,687,133.17
  5. Step 5: Solve for x
    x = 25,557,687,133.17/171,593.51
  6. Step 6: Final answer
    x = 148,943.21

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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.