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Finding the Fourth Proportional to 173,489.82, 260,057.46 and 98,451.50

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Solution

The fourth proportional to 173,489.82, 260,057.46 and 98,451.50 is: 147,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,489.82 : 260,057.46 = 98,451.50 : x
  2. Step 2: Convert to fraction form
    173,489.82/260,057.46 = 98,451.50/x
  3. Step 3: Cross multiply
    173,489.82x = 260,057.46 × 98,451.50
  4. Step 4: Simplify right side
    173,489.82x = 25,603,047,023.19
  5. Step 5: Solve for x
    x = 25,603,047,023.19/173,489.82
  6. Step 6: Final answer
    x = 147,576.65

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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.