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Finding the Fourth Proportional to 187,690.67, 281,477.75 and 67,732.04

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Solution

The fourth proportional to 187,690.67, 281,477.75 and 67,732.04 is: 101,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,690.67 : 281,477.75 = 67,732.04 : x
  2. Step 2: Convert to fraction form
    187,690.67/281,477.75 = 67,732.04/x
  3. Step 3: Cross multiply
    187,690.67x = 281,477.75 × 67,732.04
  4. Step 4: Simplify right side
    187,690.67x = 19,065,060,476.06
  5. Step 5: Solve for x
    x = 19,065,060,476.06/187,690.67
  6. Step 6: Final answer
    x = 101,577.03

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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.