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Finding the Fourth Proportional to 259,506.95, 389,073.61 and 159,460.44

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Solution

The fourth proportional to 259,506.95, 389,073.61 and 159,460.44 is: 239,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,506.95 : 389,073.61 = 159,460.44 : x
  2. Step 2: Convert to fraction form
    259,506.95/389,073.61 = 159,460.44/x
  3. Step 3: Cross multiply
    259,506.95x = 389,073.61 × 159,460.44
  4. Step 4: Simplify right side
    259,506.95x = 62,041,848,245.69
  5. Step 5: Solve for x
    x = 62,041,848,245.69/259,506.95
  6. Step 6: Final answer
    x = 239,075.86

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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.