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Finding the Fourth Proportional to 172,039.58, 258,060.24 and 53,701.01

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Solution

The fourth proportional to 172,039.58, 258,060.24 and 53,701.01 is: 80,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,039.58 : 258,060.24 = 53,701.01 : x
  2. Step 2: Convert to fraction form
    172,039.58/258,060.24 = 53,701.01/x
  3. Step 3: Cross multiply
    172,039.58x = 258,060.24 × 53,701.01
  4. Step 4: Simplify right side
    172,039.58x = 13,858,095,528.84
  5. Step 5: Solve for x
    x = 13,858,095,528.84/172,039.58
  6. Step 6: Final answer
    x = 80,551.79

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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.