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Finding the Fourth Proportional to 187,373.44, 281,060.64 and 76,565.44

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Solution

The fourth proportional to 187,373.44, 281,060.64 and 76,565.44 is: 114,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,373.44 : 281,060.64 = 76,565.44 : x
  2. Step 2: Convert to fraction form
    187,373.44/281,060.64 = 76,565.44/x
  3. Step 3: Cross multiply
    187,373.44x = 281,060.64 × 76,565.44
  4. Step 4: Simplify right side
    187,373.44x = 21,519,531,568.28
  5. Step 5: Solve for x
    x = 21,519,531,568.28/187,373.44
  6. Step 6: Final answer
    x = 114,848.36

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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.