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Finding the Fourth Proportional to 96,462.68, 133,115.40 and 53,440.41

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Solution

The fourth proportional to 96,462.68, 133,115.40 and 53,440.41 is: 73,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,462.68 : 133,115.40 = 53,440.41 : x
  2. Step 2: Convert to fraction form
    96,462.68/133,115.40 = 53,440.41/x
  3. Step 3: Cross multiply
    96,462.68x = 133,115.40 × 53,440.41
  4. Step 4: Simplify right side
    96,462.68x = 7,113,741,553.31
  5. Step 5: Solve for x
    x = 7,113,741,553.31/96,462.68
  6. Step 6: Final answer
    x = 73,746.05

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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.