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Finding the Fourth Proportional to 173,481.04, 259,805.76 and 89,019.04

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Solution

The fourth proportional to 173,481.04, 259,805.76 and 89,019.04 is: 133,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,481.04 : 259,805.76 = 89,019.04 : x
  2. Step 2: Convert to fraction form
    173,481.04/259,805.76 = 89,019.04/x
  3. Step 3: Cross multiply
    173,481.04x = 259,805.76 × 89,019.04
  4. Step 4: Simplify right side
    173,481.04x = 23,127,659,341.67
  5. Step 5: Solve for x
    x = 23,127,659,341.67/173,481.04
  6. Step 6: Final answer
    x = 133,315.20

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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.