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Finding the Fourth Proportional to 95,877, 132,309.05 and 53,435.43

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Solution

The fourth proportional to 95,877, 132,309.05 and 53,435.43 is: 73,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,877 : 132,309.05 = 53,435.43 : x
  2. Step 2: Convert to fraction form
    95,877/132,309.05 = 53,435.43/x
  3. Step 3: Cross multiply
    95,877x = 132,309.05 × 53,435.43
  4. Step 4: Simplify right side
    95,877x = 7,069,990,712.46
  5. Step 5: Solve for x
    x = 7,069,990,712.46/95,877
  6. Step 6: Final answer
    x = 73,740.22

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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.