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Finding the Fourth Proportional to 173,057.45, 259,678.51 and 67,877.33

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Solution

The fourth proportional to 173,057.45, 259,678.51 and 67,877.33 is: 101,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,057.45 : 259,678.51 = 67,877.33 : x
  2. Step 2: Convert to fraction form
    173,057.45/259,678.51 = 67,877.33/x
  3. Step 3: Cross multiply
    173,057.45x = 259,678.51 × 67,877.33
  4. Step 4: Simplify right side
    173,057.45x = 17,626,282,449.09
  5. Step 5: Solve for x
    x = 17,626,282,449.09/173,057.45
  6. Step 6: Final answer
    x = 101,852.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.