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Finding the Fourth Proportional to 171,671.96, 257,458.73 and 51,740.53

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Solution

The fourth proportional to 171,671.96, 257,458.73 and 51,740.53 is: 77,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,671.96 : 257,458.73 = 51,740.53 : x
  2. Step 2: Convert to fraction form
    171,671.96/257,458.73 = 51,740.53/x
  3. Step 3: Cross multiply
    171,671.96x = 257,458.73 × 51,740.53
  4. Step 4: Simplify right side
    171,671.96x = 13,321,051,143.33
  5. Step 5: Solve for x
    x = 13,321,051,143.33/171,671.96
  6. Step 6: Final answer
    x = 77,595.96

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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.