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Finding the Fourth Proportional to 295,311.20, 443,030.64 and 95,651.68

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Solution

The fourth proportional to 295,311.20, 443,030.64 and 95,651.68 is: 143,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,311.20 : 443,030.64 = 95,651.68 : x
  2. Step 2: Convert to fraction form
    295,311.20/443,030.64 = 95,651.68/x
  3. Step 3: Cross multiply
    295,311.20x = 443,030.64 × 95,651.68
  4. Step 4: Simplify right side
    295,311.20x = 42,376,625,007.48
  5. Step 5: Solve for x
    x = 42,376,625,007.48/295,311.20
  6. Step 6: Final answer
    x = 143,498.20

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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.