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Finding the Fourth Proportional to 172,353.45, 258,530.04 and 54,024.74

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Solution

The fourth proportional to 172,353.45, 258,530.04 and 54,024.74 is: 81,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,353.45 : 258,530.04 = 54,024.74 : x
  2. Step 2: Convert to fraction form
    172,353.45/258,530.04 = 54,024.74/x
  3. Step 3: Cross multiply
    172,353.45x = 258,530.04 × 54,024.74
  4. Step 4: Simplify right side
    172,353.45x = 13,967,016,900.54
  5. Step 5: Solve for x
    x = 13,967,016,900.54/172,353.45
  6. Step 6: Final answer
    x = 81,037.06

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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.