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Finding the Fourth Proportional to 258,114.56, 356,281.62 and 167,310.32

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Solution

The fourth proportional to 258,114.56, 356,281.62 and 167,310.32 is: 230,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114.56 : 356,281.62 = 167,310.32 : x
  2. Step 2: Convert to fraction form
    258,114.56/356,281.62 = 167,310.32/x
  3. Step 3: Cross multiply
    258,114.56x = 356,281.62 × 167,310.32
  4. Step 4: Simplify right side
    258,114.56x = 59,609,591,852.32
  5. Step 5: Solve for x
    x = 59,609,591,852.32/258,114.56
  6. Step 6: Final answer
    x = 230,942.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.