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Finding the Fourth Proportional to 96,908.68, 133,741.02 and 59,190.04

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Solution

The fourth proportional to 96,908.68, 133,741.02 and 59,190.04 is: 81,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,908.68 : 133,741.02 = 59,190.04 : x
  2. Step 2: Convert to fraction form
    96,908.68/133,741.02 = 59,190.04/x
  3. Step 3: Cross multiply
    96,908.68x = 133,741.02 × 59,190.04
  4. Step 4: Simplify right side
    96,908.68x = 7,916,136,323.44
  5. Step 5: Solve for x
    x = 7,916,136,323.44/96,908.68
  6. Step 6: Final answer
    x = 81,686.56

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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.