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Finding the Fourth Proportional to 107,790.88, 148,745.52 and 59,383.32

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Solution

The fourth proportional to 107,790.88, 148,745.52 and 59,383.32 is: 81,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,790.88 : 148,745.52 = 59,383.32 : x
  2. Step 2: Convert to fraction form
    107,790.88/148,745.52 = 59,383.32/x
  3. Step 3: Cross multiply
    107,790.88x = 148,745.52 × 59,383.32
  4. Step 4: Simplify right side
    107,790.88x = 8,833,002,812.73
  5. Step 5: Solve for x
    x = 8,833,002,812.73/107,790.88
  6. Step 6: Final answer
    x = 81,945.73

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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.