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Finding the Fourth Proportional to 96,858.66, 133,668.39 and 54,416.34

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Solution

The fourth proportional to 96,858.66, 133,668.39 and 54,416.34 is: 75,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,858.66 : 133,668.39 = 54,416.34 : x
  2. Step 2: Convert to fraction form
    96,858.66/133,668.39 = 54,416.34/x
  3. Step 3: Cross multiply
    96,858.66x = 133,668.39 × 54,416.34
  4. Step 4: Simplify right side
    96,858.66x = 7,273,744,557.49
  5. Step 5: Solve for x
    x = 7,273,744,557.49/96,858.66
  6. Step 6: Final answer
    x = 75,096.48

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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.