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Finding the Fourth Proportional to 173,023.20, 259,534.80 and 154,360.80

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Solution

The fourth proportional to 173,023.20, 259,534.80 and 154,360.80 is: 231,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,023.20 : 259,534.80 = 154,360.80 : x
  2. Step 2: Convert to fraction form
    173,023.20/259,534.80 = 154,360.80/x
  3. Step 3: Cross multiply
    173,023.20x = 259,534.80 × 154,360.80
  4. Step 4: Simplify right side
    173,023.20x = 40,061,999,355.84
  5. Step 5: Solve for x
    x = 40,061,999,355.84/173,023.20
  6. Step 6: Final answer
    x = 231,541.20

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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.