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Finding the Fourth Proportional to 171,786.84, 237,017.38 and 111,360.03

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Solution

The fourth proportional to 171,786.84, 237,017.38 and 111,360.03 is: 153,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,786.84 : 237,017.38 = 111,360.03 : x
  2. Step 2: Convert to fraction form
    171,786.84/237,017.38 = 111,360.03/x
  3. Step 3: Cross multiply
    171,786.84x = 237,017.38 × 111,360.03
  4. Step 4: Simplify right side
    171,786.84x = 26,394,262,547.32
  5. Step 5: Solve for x
    x = 26,394,262,547.32/171,786.84
  6. Step 6: Final answer
    x = 153,645.43

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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.