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Finding the Fourth Proportional to 84,117.93, 126,157.44 and 24,939.33

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Solution

The fourth proportional to 84,117.93, 126,157.44 and 24,939.33 is: 37,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,117.93 : 126,157.44 = 24,939.33 : x
  2. Step 2: Convert to fraction form
    84,117.93/126,157.44 = 24,939.33/x
  3. Step 3: Cross multiply
    84,117.93x = 126,157.44 × 24,939.33
  4. Step 4: Simplify right side
    84,117.93x = 3,146,281,508.26
  5. Step 5: Solve for x
    x = 3,146,281,508.26/84,117.93
  6. Step 6: Final answer
    x = 37,403.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.