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Finding the Fourth Proportional to 171,855.54, 257,721.82 and 59,505.62

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Solution

The fourth proportional to 171,855.54, 257,721.82 and 59,505.62 is: 89,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,855.54 : 257,721.82 = 59,505.62 : x
  2. Step 2: Convert to fraction form
    171,855.54/257,721.82 = 59,505.62/x
  3. Step 3: Cross multiply
    171,855.54x = 257,721.82 × 59,505.62
  4. Step 4: Simplify right side
    171,855.54x = 15,335,896,686.63
  5. Step 5: Solve for x
    x = 15,335,896,686.63/171,855.54
  6. Step 6: Final answer
    x = 89,237.14

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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.