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Finding the Fourth Proportional to 173,063.40, 259,449.30 and 89,957.40

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Solution

The fourth proportional to 173,063.40, 259,449.30 and 89,957.40 is: 134,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,063.40 : 259,449.30 = 89,957.40 : x
  2. Step 2: Convert to fraction form
    173,063.40/259,449.30 = 89,957.40/x
  3. Step 3: Cross multiply
    173,063.40x = 259,449.30 × 89,957.40
  4. Step 4: Simplify right side
    173,063.40x = 23,339,384,459.82
  5. Step 5: Solve for x
    x = 23,339,384,459.82/173,063.40
  6. Step 6: Final answer
    x = 134,860.31

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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.