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Finding the Fourth Proportional to 170,830.89, 256,245.93 and 46,171.89

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Solution

The fourth proportional to 170,830.89, 256,245.93 and 46,171.89 is: 69,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.89 : 256,245.93 = 46,171.89 : x
  2. Step 2: Convert to fraction form
    170,830.89/256,245.93 = 46,171.89/x
  3. Step 3: Cross multiply
    170,830.89x = 256,245.93 × 46,171.89
  4. Step 4: Simplify right side
    170,830.89x = 11,831,358,892.91
  5. Step 5: Solve for x
    x = 11,831,358,892.91/170,830.89
  6. Step 6: Final answer
    x = 69,257.73

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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.