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Finding the Fourth Proportional to 115,514.66, 159,324.94 and 73,032.19

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Solution

The fourth proportional to 115,514.66, 159,324.94 and 73,032.19 is: 100,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,514.66 : 159,324.94 = 73,032.19 : x
  2. Step 2: Convert to fraction form
    115,514.66/159,324.94 = 73,032.19/x
  3. Step 3: Cross multiply
    115,514.66x = 159,324.94 × 73,032.19
  4. Step 4: Simplify right side
    115,514.66x = 11,635,848,982.80
  5. Step 5: Solve for x
    x = 11,635,848,982.80/115,514.66
  6. Step 6: Final answer
    x = 100,730.49

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1.5x scale

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.