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Finding the Fourth Proportional to 171,804.85, 257,645.51 and 59,454.56

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Solution

The fourth proportional to 171,804.85, 257,645.51 and 59,454.56 is: 89,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,804.85 : 257,645.51 = 59,454.56 : x
  2. Step 2: Convert to fraction form
    171,804.85/257,645.51 = 59,454.56/x
  3. Step 3: Cross multiply
    171,804.85x = 257,645.51 × 59,454.56
  4. Step 4: Simplify right side
    171,804.85x = 15,318,199,553.57
  5. Step 5: Solve for x
    x = 15,318,199,553.57/171,804.85
  6. Step 6: Final answer
    x = 89,160.46

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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.