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Finding the Fourth Proportional to 231,902.80, 348,113.40 and 179,544.40

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Solution

The fourth proportional to 231,902.80, 348,113.40 and 179,544.40 is: 269,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,902.80 : 348,113.40 = 179,544.40 : x
  2. Step 2: Convert to fraction form
    231,902.80/348,113.40 = 179,544.40/x
  3. Step 3: Cross multiply
    231,902.80x = 348,113.40 × 179,544.40
  4. Step 4: Simplify right side
    231,902.80x = 62,501,811,534.96
  5. Step 5: Solve for x
    x = 62,501,811,534.96/231,902.80
  6. Step 6: Final answer
    x = 269,517.28

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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.