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Finding the Fourth Proportional to 81,893.36, 113,003.64 and 46,082.64

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Solution

The fourth proportional to 81,893.36, 113,003.64 and 46,082.64 is: 63,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,893.36 : 113,003.64 = 46,082.64 : x
  2. Step 2: Convert to fraction form
    81,893.36/113,003.64 = 46,082.64/x
  3. Step 3: Cross multiply
    81,893.36x = 113,003.64 × 46,082.64
  4. Step 4: Simplify right side
    81,893.36x = 5,207,506,060.81
  5. Step 5: Solve for x
    x = 5,207,506,060.81/81,893.36
  6. Step 6: Final answer
    x = 63,588.87

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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.