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Finding the Fourth Proportional to 259,868.95, 389,803.43 and 62,876.95

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Solution

The fourth proportional to 259,868.95, 389,803.43 and 62,876.95 is: 94,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.95 : 389,803.43 = 62,876.95 : x
  2. Step 2: Convert to fraction form
    259,868.95/389,803.43 = 62,876.95/x
  3. Step 3: Cross multiply
    259,868.95x = 389,803.43 × 62,876.95
  4. Step 4: Simplify right side
    259,868.95x = 24,509,650,777.94
  5. Step 5: Solve for x
    x = 24,509,650,777.94/259,868.95
  6. Step 6: Final answer
    x = 94,315.43

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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.