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Finding the Fourth Proportional to 259,866.95, 389,800.43 and 62,874.95

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Solution

The fourth proportional to 259,866.95, 389,800.43 and 62,874.95 is: 94,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,866.95 : 389,800.43 = 62,874.95 : x
  2. Step 2: Convert to fraction form
    259,866.95/389,800.43 = 62,874.95/x
  3. Step 3: Cross multiply
    259,866.95x = 389,800.43 × 62,874.95
  4. Step 4: Simplify right side
    259,866.95x = 24,508,680,282.85
  5. Step 5: Solve for x
    x = 24,508,680,282.85/259,866.95
  6. Step 6: Final answer
    x = 94,312.42

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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.