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Finding the Fourth Proportional to 177,976.96, 245,608.61 and 97,409.68

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Solution

The fourth proportional to 177,976.96, 245,608.61 and 97,409.68 is: 134,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,976.96 : 245,608.61 = 97,409.68 : x
  2. Step 2: Convert to fraction form
    177,976.96/245,608.61 = 97,409.68/x
  3. Step 3: Cross multiply
    177,976.96x = 245,608.61 × 97,409.68
  4. Step 4: Simplify right side
    177,976.96x = 23,924,654,658.89
  5. Step 5: Solve for x
    x = 23,924,654,658.89/177,976.96
  6. Step 6: Final answer
    x = 134,425.57

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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.