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Finding the Fourth Proportional to 258,322.50, 356,360.83 and 167,706.89

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Solution

The fourth proportional to 258,322.50, 356,360.83 and 167,706.89 is: 231,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,322.50 : 356,360.83 = 167,706.89 : x
  2. Step 2: Convert to fraction form
    258,322.50/356,360.83 = 167,706.89/x
  3. Step 3: Cross multiply
    258,322.50x = 356,360.83 × 167,706.89
  4. Step 4: Simplify right side
    258,322.50x = 59,764,166,595.75
  5. Step 5: Solve for x
    x = 59,764,166,595.75/258,322.50
  6. Step 6: Final answer
    x = 231,354.86

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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.