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Finding the Fourth Proportional to 173,359.40, 259,463.10 and 125,839.40

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Solution

The fourth proportional to 173,359.40, 259,463.10 and 125,839.40 is: 188,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,359.40 : 259,463.10 = 125,839.40 : x
  2. Step 2: Convert to fraction form
    173,359.40/259,463.10 = 125,839.40/x
  3. Step 3: Cross multiply
    173,359.40x = 259,463.10 × 125,839.40
  4. Step 4: Simplify right side
    173,359.40x = 32,650,680,826.14
  5. Step 5: Solve for x
    x = 32,650,680,826.14/173,359.40
  6. Step 6: Final answer
    x = 188,340.99

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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.