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Finding the Fourth Proportional to 101,763.38, 140,403.30 and 59,314.52

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Solution

The fourth proportional to 101,763.38, 140,403.30 and 59,314.52 is: 81,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,763.38 : 140,403.30 = 59,314.52 : x
  2. Step 2: Convert to fraction form
    101,763.38/140,403.30 = 59,314.52/x
  3. Step 3: Cross multiply
    101,763.38x = 140,403.30 × 59,314.52
  4. Step 4: Simplify right side
    101,763.38x = 8,327,954,345.92
  5. Step 5: Solve for x
    x = 8,327,954,345.92/101,763.38
  6. Step 6: Final answer
    x = 81,836.46

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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.