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Finding the Fourth Proportional to 177,172.79, 265,759.17 and 52,513.79

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Solution

The fourth proportional to 177,172.79, 265,759.17 and 52,513.79 is: 78,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,172.79 : 265,759.17 = 52,513.79 : x
  2. Step 2: Convert to fraction form
    177,172.79/265,759.17 = 52,513.79/x
  3. Step 3: Cross multiply
    177,172.79x = 265,759.17 × 52,513.79
  4. Step 4: Simplify right side
    177,172.79x = 13,956,019,915.16
  5. Step 5: Solve for x
    x = 13,956,019,915.16/177,172.79
  6. Step 6: Final answer
    x = 78,770.68

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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.