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Finding the Fourth Proportional to 104,799.64, 144,643.43 and 59,481.86

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Solution

The fourth proportional to 104,799.64, 144,643.43 and 59,481.86 is: 82,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,799.64 : 144,643.43 = 59,481.86 : x
  2. Step 2: Convert to fraction form
    104,799.64/144,643.43 = 59,481.86/x
  3. Step 3: Cross multiply
    104,799.64x = 144,643.43 × 59,481.86
  4. Step 4: Simplify right side
    104,799.64x = 8,603,659,955.77
  5. Step 5: Solve for x
    x = 8,603,659,955.77/104,799.64
  6. Step 6: Final answer
    x = 82,096.28

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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.