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Finding the Fourth Proportional to 141,689.82, 212,583.87 and 62,859.27

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Solution

The fourth proportional to 141,689.82, 212,583.87 and 62,859.27 is: 94,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,689.82 : 212,583.87 = 62,859.27 : x
  2. Step 2: Convert to fraction form
    141,689.82/212,583.87 = 62,859.27/x
  3. Step 3: Cross multiply
    141,689.82x = 212,583.87 × 62,859.27
  4. Step 4: Simplify right side
    141,689.82x = 13,362,866,881.97
  5. Step 5: Solve for x
    x = 13,362,866,881.97/141,689.82
  6. Step 6: Final answer
    x = 94,310.71

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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.