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Finding the Fourth Proportional to 177,540.76, 245,000.70 and 96,967

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Solution

The fourth proportional to 177,540.76, 245,000.70 and 96,967 is: 133,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,540.76 : 245,000.70 = 96,967 : x
  2. Step 2: Convert to fraction form
    177,540.76/245,000.70 = 96,967/x
  3. Step 3: Cross multiply
    177,540.76x = 245,000.70 × 96,967
  4. Step 4: Simplify right side
    177,540.76x = 23,756,982,876.90
  5. Step 5: Solve for x
    x = 23,756,982,876.90/177,540.76
  6. Step 6: Final answer
    x = 133,811.43

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1.5x scale

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.