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Finding the Fourth Proportional to 173,429.88, 259,872.66 and 103,270.92

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Solution

The fourth proportional to 173,429.88, 259,872.66 and 103,270.92 is: 154,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,429.88 : 259,872.66 = 103,270.92 : x
  2. Step 2: Convert to fraction form
    173,429.88/259,872.66 = 103,270.92/x
  3. Step 3: Cross multiply
    173,429.88x = 259,872.66 × 103,270.92
  4. Step 4: Simplify right side
    173,429.88x = 26,837,288,681.05
  5. Step 5: Solve for x
    x = 26,837,288,681.05/173,429.88
  6. Step 6: Final answer
    x = 154,744.32

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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.