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Finding the Fourth Proportional to 187,561.50, 281,339 and 62,902.50

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Solution

The fourth proportional to 187,561.50, 281,339 and 62,902.50 is: 94,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,561.50 : 281,339 = 62,902.50 : x
  2. Step 2: Convert to fraction form
    187,561.50/281,339 = 62,902.50/x
  3. Step 3: Cross multiply
    187,561.50x = 281,339 × 62,902.50
  4. Step 4: Simplify right side
    187,561.50x = 17,696,926,447.50
  5. Step 5: Solve for x
    x = 17,696,926,447.50/187,561.50
  6. Step 6: Final answer
    x = 94,352.66

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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.