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Finding the Fourth Proportional to 255,764.00, 383,711.15 and 75,855.98

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Solution

The fourth proportional to 255,764.00, 383,711.15 and 75,855.98 is: 113,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,764.00 : 383,711.15 = 75,855.98 : x
  2. Step 2: Convert to fraction form
    255,764.00/383,711.15 = 75,855.98/x
  3. Step 3: Cross multiply
    255,764.00x = 383,711.15 × 75,855.98
  4. Step 4: Simplify right side
    255,764.00x = 29,106,785,900.18
  5. Step 5: Solve for x
    x = 29,106,785,900.18/255,764.00
  6. Step 6: Final answer
    x = 113,803.30

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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.