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Finding the Fourth Proportional to 171,641.58, 257,399.18 and 59,292.96

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Solution

The fourth proportional to 171,641.58, 257,399.18 and 59,292.96 is: 88,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,641.58 : 257,399.18 = 59,292.96 : x
  2. Step 2: Convert to fraction form
    171,641.58/257,399.18 = 59,292.96/x
  3. Step 3: Cross multiply
    171,641.58x = 257,399.18 × 59,292.96
  4. Step 4: Simplify right side
    171,641.58x = 15,261,959,283.77
  5. Step 5: Solve for x
    x = 15,261,959,283.77/171,641.58
  6. Step 6: Final answer
    x = 88,917.61

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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.