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Finding the Fourth Proportional to 107,866.38, 148,855.83 and 60,118.77

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Solution

The fourth proportional to 107,866.38, 148,855.83 and 60,118.77 is: 82,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,866.38 : 148,855.83 = 60,118.77 : x
  2. Step 2: Convert to fraction form
    107,866.38/148,855.83 = 60,118.77/x
  3. Step 3: Cross multiply
    107,866.38x = 148,855.83 × 60,118.77
  4. Step 4: Simplify right side
    107,866.38x = 8,949,029,406.93
  5. Step 5: Solve for x
    x = 8,949,029,406.93/107,866.38
  6. Step 6: Final answer
    x = 82,964.03

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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.