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Finding the Fourth Proportional to 255,538.77, 383,064.12 and 95,571.33

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Solution

The fourth proportional to 255,538.77, 383,064.12 and 95,571.33 is: 143,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,538.77 : 383,064.12 = 95,571.33 : x
  2. Step 2: Convert to fraction form
    255,538.77/383,064.12 = 95,571.33/x
  3. Step 3: Cross multiply
    255,538.77x = 383,064.12 × 95,571.33
  4. Step 4: Simplify right side
    255,538.77x = 36,609,945,987.19
  5. Step 5: Solve for x
    x = 36,609,945,987.19/255,538.77
  6. Step 6: Final answer
    x = 143,265.72

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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.