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Finding the Fourth Proportional to 152,608.56, 210,596.04 and 84,625.80

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Solution

The fourth proportional to 152,608.56, 210,596.04 and 84,625.80 is: 116,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,608.56 : 210,596.04 = 84,625.80 : x
  2. Step 2: Convert to fraction form
    152,608.56/210,596.04 = 84,625.80/x
  3. Step 3: Cross multiply
    152,608.56x = 210,596.04 × 84,625.80
  4. Step 4: Simplify right side
    152,608.56x = 17,821,858,361.83
  5. Step 5: Solve for x
    x = 17,821,858,361.83/152,608.56
  6. Step 6: Final answer
    x = 116,781.51

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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.