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Finding the Fourth Proportional to 173,252.40, 259,895.61 and 72,029.54

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Solution

The fourth proportional to 173,252.40, 259,895.61 and 72,029.54 is: 108,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,252.40 : 259,895.61 = 72,029.54 : x
  2. Step 2: Convert to fraction form
    173,252.40/259,895.61 = 72,029.54/x
  3. Step 3: Cross multiply
    173,252.40x = 259,895.61 × 72,029.54
  4. Step 4: Simplify right side
    173,252.40x = 18,720,159,936.84
  5. Step 5: Solve for x
    x = 18,720,159,936.84/173,252.40
  6. Step 6: Final answer
    x = 108,051.37

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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.