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Finding the Fourth Proportional to 173,035.68, 259,428.88 and 106,338

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Solution

The fourth proportional to 173,035.68, 259,428.88 and 106,338 is: 159,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,035.68 : 259,428.88 = 106,338 : x
  2. Step 2: Convert to fraction form
    173,035.68/259,428.88 = 106,338/x
  3. Step 3: Cross multiply
    173,035.68x = 259,428.88 × 106,338
  4. Step 4: Simplify right side
    173,035.68x = 27,587,148,241.44
  5. Step 5: Solve for x
    x = 27,587,148,241.44/173,035.68
  6. Step 6: Final answer
    x = 159,430.40

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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.