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Finding the Fourth Proportional to 96,396.54, 133,026.30 and 53,955.42

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Solution

The fourth proportional to 96,396.54, 133,026.30 and 53,955.42 is: 74,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,396.54 : 133,026.30 = 53,955.42 : x
  2. Step 2: Convert to fraction form
    96,396.54/133,026.30 = 53,955.42/x
  3. Step 3: Cross multiply
    96,396.54x = 133,026.30 × 53,955.42
  4. Step 4: Simplify right side
    96,396.54x = 7,177,489,887.55
  5. Step 5: Solve for x
    x = 7,177,489,887.55/96,396.54
  6. Step 6: Final answer
    x = 74,457.96

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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.