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Finding the Fourth Proportional to 171,872.25, 257,804.41 and 101,242.93

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Solution

The fourth proportional to 171,872.25, 257,804.41 and 101,242.93 is: 151,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,872.25 : 257,804.41 = 101,242.93 : x
  2. Step 2: Convert to fraction form
    171,872.25/257,804.41 = 101,242.93/x
  3. Step 3: Cross multiply
    171,872.25x = 257,804.41 × 101,242.93
  4. Step 4: Simplify right side
    171,872.25x = 26,100,874,548.98
  5. Step 5: Solve for x
    x = 26,100,874,548.98/171,872.25
  6. Step 6: Final answer
    x = 151,862.07

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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.