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Finding the Fourth Proportional to 104,575.62, 156,794.08 and 38,007.84

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Solution

The fourth proportional to 104,575.62, 156,794.08 and 38,007.84 is: 56,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575.62 : 156,794.08 = 38,007.84 : x
  2. Step 2: Convert to fraction form
    104,575.62/156,794.08 = 38,007.84/x
  3. Step 3: Cross multiply
    104,575.62x = 156,794.08 × 38,007.84
  4. Step 4: Simplify right side
    104,575.62x = 5,959,404,305.59
  5. Step 5: Solve for x
    x = 5,959,404,305.59/104,575.62
  6. Step 6: Final answer
    x = 56,986.55

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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.