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Finding the Fourth Proportional to 187,652.19, 281,525.81 and 54,529.59

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Solution

The fourth proportional to 187,652.19, 281,525.81 and 54,529.59 is: 81,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,652.19 : 281,525.81 = 54,529.59 : x
  2. Step 2: Convert to fraction form
    187,652.19/281,525.81 = 54,529.59/x
  3. Step 3: Cross multiply
    187,652.19x = 281,525.81 × 54,529.59
  4. Step 4: Simplify right side
    187,652.19x = 15,351,486,721.07
  5. Step 5: Solve for x
    x = 15,351,486,721.07/187,652.19
  6. Step 6: Final answer
    x = 81,808.19

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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.