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Finding the Fourth Proportional to 173,272.76, 259,918.32 and 54,953.36

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Solution

The fourth proportional to 173,272.76, 259,918.32 and 54,953.36 is: 82,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.76 : 259,918.32 = 54,953.36 : x
  2. Step 2: Convert to fraction form
    173,272.76/259,918.32 = 54,953.36/x
  3. Step 3: Cross multiply
    173,272.76x = 259,918.32 × 54,953.36
  4. Step 4: Simplify right side
    173,272.76x = 14,283,385,009.56
  5. Step 5: Solve for x
    x = 14,283,385,009.56/173,272.76
  6. Step 6: Final answer
    x = 82,432.95

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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.