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Finding the Fourth Proportional to 295,898.12, 443,850.41 and 85,537.88

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Solution

The fourth proportional to 295,898.12, 443,850.41 and 85,537.88 is: 128,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,898.12 : 443,850.41 = 85,537.88 : x
  2. Step 2: Convert to fraction form
    295,898.12/443,850.41 = 85,537.88/x
  3. Step 3: Cross multiply
    295,898.12x = 443,850.41 × 85,537.88
  4. Step 4: Simplify right side
    295,898.12x = 37,966,021,103.12
  5. Step 5: Solve for x
    x = 37,966,021,103.12/295,898.12
  6. Step 6: Final answer
    x = 128,307.75

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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.