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Finding the Fourth Proportional to 173,260.42, 259,981.70 and 122,983.90

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Solution

The fourth proportional to 173,260.42, 259,981.70 and 122,983.90 is: 184,540.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,260.42 : 259,981.70 = 122,983.90 : x
  2. Step 2: Convert to fraction form
    173,260.42/259,981.70 = 122,983.90/x
  3. Step 3: Cross multiply
    173,260.42x = 259,981.70 × 122,983.90
  4. Step 4: Simplify right side
    173,260.42x = 31,973,563,394.63
  5. Step 5: Solve for x
    x = 31,973,563,394.63/173,260.42
  6. Step 6: Final answer
    x = 184,540.49

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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.