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Finding the Fourth Proportional to 259,868.88, 389,803.32 and 62,876.88

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Solution

The fourth proportional to 259,868.88, 389,803.32 and 62,876.88 is: 94,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.88 : 389,803.32 = 62,876.88 : x
  2. Step 2: Convert to fraction form
    259,868.88/389,803.32 = 62,876.88/x
  3. Step 3: Cross multiply
    259,868.88x = 389,803.32 × 62,876.88
  4. Step 4: Simplify right side
    259,868.88x = 24,509,616,575.24
  5. Step 5: Solve for x
    x = 24,509,616,575.24/259,868.88
  6. Step 6: Final answer
    x = 94,315.32

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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.