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Finding the Fourth Proportional to 67,260.58, 100,855.84 and 25,106.00

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Solution

The fourth proportional to 67,260.58, 100,855.84 and 25,106.00 is: 37,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,260.58 : 100,855.84 = 25,106.00 : x
  2. Step 2: Convert to fraction form
    67,260.58/100,855.84 = 25,106.00/x
  3. Step 3: Cross multiply
    67,260.58x = 100,855.84 × 25,106.00
  4. Step 4: Simplify right side
    67,260.58x = 2,532,086,152.00
  5. Step 5: Solve for x
    x = 2,532,086,152.00/67,260.58
  6. Step 6: Final answer
    x = 37,645.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.