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Finding the Fourth Proportional to 141,602.96, 195,309.56 and 96,201.66

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Solution

The fourth proportional to 141,602.96, 195,309.56 and 96,201.66 is: 132,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,602.96 : 195,309.56 = 96,201.66 : x
  2. Step 2: Convert to fraction form
    141,602.96/195,309.56 = 96,201.66/x
  3. Step 3: Cross multiply
    141,602.96x = 195,309.56 × 96,201.66
  4. Step 4: Simplify right side
    141,602.96x = 18,789,103,885.87
  5. Step 5: Solve for x
    x = 18,789,103,885.87/141,602.96
  6. Step 6: Final answer
    x = 132,688.64

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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.