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Finding the Fourth Proportional to 95,703, 132,065.16 and 73,057.80

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Solution

The fourth proportional to 95,703, 132,065.16 and 73,057.80 is: 100,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,703 : 132,065.16 = 73,057.80 : x
  2. Step 2: Convert to fraction form
    95,703/132,065.16 = 73,057.80/x
  3. Step 3: Cross multiply
    95,703x = 132,065.16 × 73,057.80
  4. Step 4: Simplify right side
    95,703x = 9,648,390,046.25
  5. Step 5: Solve for x
    x = 9,648,390,046.25/95,703
  6. Step 6: Final answer
    x = 100,815.96

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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.