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Finding the Fourth Proportional to 295,428.63, 443,049.99 and 95,702.68

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Solution

The fourth proportional to 295,428.63, 443,049.99 and 95,702.68 is: 143,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,428.63 : 443,049.99 = 95,702.68 : x
  2. Step 2: Convert to fraction form
    295,428.63/443,049.99 = 95,702.68/x
  3. Step 3: Cross multiply
    295,428.63x = 443,049.99 × 95,702.68
  4. Step 4: Simplify right side
    295,428.63x = 42,401,069,201.72
  5. Step 5: Solve for x
    x = 42,401,069,201.72/295,428.63
  6. Step 6: Final answer
    x = 143,523.90

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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.