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Finding the Fourth Proportional to 118,575.72, 177,863.88 and 48,455.04

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Solution

The fourth proportional to 118,575.72, 177,863.88 and 48,455.04 is: 72,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,575.72 : 177,863.88 = 48,455.04 : x
  2. Step 2: Convert to fraction form
    118,575.72/177,863.88 = 48,455.04/x
  3. Step 3: Cross multiply
    118,575.72x = 177,863.88 × 48,455.04
  4. Step 4: Simplify right side
    118,575.72x = 8,618,401,419.96
  5. Step 5: Solve for x
    x = 8,618,401,419.96/118,575.72
  6. Step 6: Final answer
    x = 72,682.68

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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.