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Finding the Fourth Proportional to 177,638.60, 245,133.96 and 97,068.86

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Solution

The fourth proportional to 177,638.60, 245,133.96 and 97,068.86 is: 133,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,638.60 : 245,133.96 = 97,068.86 : x
  2. Step 2: Convert to fraction form
    177,638.60/245,133.96 = 97,068.86/x
  3. Step 3: Cross multiply
    177,638.60x = 245,133.96 × 97,068.86
  4. Step 4: Simplify right side
    177,638.60x = 23,794,874,044.49
  5. Step 5: Solve for x
    x = 23,794,874,044.49/177,638.60
  6. Step 6: Final answer
    x = 133,951.03

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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.