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Finding the Fourth Proportional to 104,364.82, 144,023.49 and 59,041.90

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Solution

The fourth proportional to 104,364.82, 144,023.49 and 59,041.90 is: 81,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.82 : 144,023.49 = 59,041.90 : x
  2. Step 2: Convert to fraction form
    104,364.82/144,023.49 = 59,041.90/x
  3. Step 3: Cross multiply
    104,364.82x = 144,023.49 × 59,041.90
  4. Step 4: Simplify right side
    104,364.82x = 8,503,419,478.90
  5. Step 5: Solve for x
    x = 8,503,419,478.90/104,364.82
  6. Step 6: Final answer
    x = 81,477.84

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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.