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Finding the Fourth Proportional to 171,804.78, 257,645.42 and 59,454.49

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Solution

The fourth proportional to 171,804.78, 257,645.42 and 59,454.49 is: 89,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,804.78 : 257,645.42 = 59,454.49 : x
  2. Step 2: Convert to fraction form
    171,804.78/257,645.42 = 59,454.49/x
  3. Step 3: Cross multiply
    171,804.78x = 257,645.42 × 59,454.49
  4. Step 4: Simplify right side
    171,804.78x = 15,318,176,749.66
  5. Step 5: Solve for x
    x = 15,318,176,749.66/171,804.78
  6. Step 6: Final answer
    x = 89,160.37

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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.