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Finding the Fourth Proportional to 169,911.15, 254,865.62 and 57,670.41

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Solution

The fourth proportional to 169,911.15, 254,865.62 and 57,670.41 is: 86,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911.15 : 254,865.62 = 57,670.41 : x
  2. Step 2: Convert to fraction form
    169,911.15/254,865.62 = 57,670.41/x
  3. Step 3: Cross multiply
    169,911.15x = 254,865.62 × 57,670.41
  4. Step 4: Simplify right side
    169,911.15x = 14,698,204,511.95
  5. Step 5: Solve for x
    x = 14,698,204,511.95/169,911.15
  6. Step 6: Final answer
    x = 86,505.24

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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.