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Finding the Fourth Proportional to 173,226.70, 259,840.05 and 98,577.10

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Solution

The fourth proportional to 173,226.70, 259,840.05 and 98,577.10 is: 147,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,226.70 : 259,840.05 = 98,577.10 : x
  2. Step 2: Convert to fraction form
    173,226.70/259,840.05 = 98,577.10/x
  3. Step 3: Cross multiply
    173,226.70x = 259,840.05 × 98,577.10
  4. Step 4: Simplify right side
    173,226.70x = 25,614,278,592.86
  5. Step 5: Solve for x
    x = 25,614,278,592.86/173,226.70
  6. Step 6: Final answer
    x = 147,865.65

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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.