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Finding the Fourth Proportional to 177,478.90, 244,930.81 and 96,913.90

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Solution

The fourth proportional to 177,478.90, 244,930.81 and 96,913.90 is: 133,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,478.90 : 244,930.81 = 96,913.90 : x
  2. Step 2: Convert to fraction form
    177,478.90/244,930.81 = 96,913.90/x
  3. Step 3: Cross multiply
    177,478.90x = 244,930.81 × 96,913.90
  4. Step 4: Simplify right side
    177,478.90x = 23,737,199,542.69
  5. Step 5: Solve for x
    x = 23,737,199,542.69/177,478.90
  6. Step 6: Final answer
    x = 133,746.60

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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.