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Finding the Fourth Proportional to 167,321.10, 251,010.90 and 54,970.14

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Solution

The fourth proportional to 167,321.10, 251,010.90 and 54,970.14 is: 82,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,321.10 : 251,010.90 = 54,970.14 : x
  2. Step 2: Convert to fraction form
    167,321.10/251,010.90 = 54,970.14/x
  3. Step 3: Cross multiply
    167,321.10x = 251,010.90 × 54,970.14
  4. Step 4: Simplify right side
    167,321.10x = 13,798,104,314.53
  5. Step 5: Solve for x
    x = 13,798,104,314.53/167,321.10
  6. Step 6: Final answer
    x = 82,464.82

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1.5x scale

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.