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Finding the Fourth Proportional to 96,358.30, 132,971.11 and 53,339.66

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Solution

The fourth proportional to 96,358.30, 132,971.11 and 53,339.66 is: 73,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,358.30 : 132,971.11 = 53,339.66 : x
  2. Step 2: Convert to fraction form
    96,358.30/132,971.11 = 53,339.66/x
  3. Step 3: Cross multiply
    96,358.30x = 132,971.11 × 53,339.66
  4. Step 4: Simplify right side
    96,358.30x = 7,092,633,797.22
  5. Step 5: Solve for x
    x = 7,092,633,797.22/96,358.30
  6. Step 6: Final answer
    x = 73,606.88

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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.