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Finding the Fourth Proportional to 103,634.73, 143,015.92 and 58,922.73

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Solution

The fourth proportional to 103,634.73, 143,015.92 and 58,922.73 is: 81,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.73 : 143,015.92 = 58,922.73 : x
  2. Step 2: Convert to fraction form
    103,634.73/143,015.92 = 58,922.73/x
  3. Step 3: Cross multiply
    103,634.73x = 143,015.92 × 58,922.73
  4. Step 4: Simplify right side
    103,634.73x = 8,426,888,439.86
  5. Step 5: Solve for x
    x = 8,426,888,439.86/103,634.73
  6. Step 6: Final answer
    x = 81,313.36

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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.