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Finding the Fourth Proportional to 172,733.76, 259,076.04 and 54,402.03

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Solution

The fourth proportional to 172,733.76, 259,076.04 and 54,402.03 is: 81,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,733.76 : 259,076.04 = 54,402.03 : x
  2. Step 2: Convert to fraction form
    172,733.76/259,076.04 = 54,402.03/x
  3. Step 3: Cross multiply
    172,733.76x = 259,076.04 × 54,402.03
  4. Step 4: Simplify right side
    172,733.76x = 14,094,262,500.36
  5. Step 5: Solve for x
    x = 14,094,262,500.36/172,733.76
  6. Step 6: Final answer
    x = 81,595.30

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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.