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Finding the Fourth Proportional to 187,716.94, 281,598.90 and 61,369.90

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Solution

The fourth proportional to 187,716.94, 281,598.90 and 61,369.90 is: 92,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,716.94 : 281,598.90 = 61,369.90 : x
  2. Step 2: Convert to fraction form
    187,716.94/281,598.90 = 61,369.90/x
  3. Step 3: Cross multiply
    187,716.94x = 281,598.90 × 61,369.90
  4. Step 4: Simplify right side
    187,716.94x = 17,281,696,333.11
  5. Step 5: Solve for x
    x = 17,281,696,333.11/187,716.94
  6. Step 6: Final answer
    x = 92,062.53

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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.