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Finding the Fourth Proportional to 76,395, 114,621.72 and 29,651.52

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Solution

The fourth proportional to 76,395, 114,621.72 and 29,651.52 is: 44,488.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,395 : 114,621.72 = 29,651.52 : x
  2. Step 2: Convert to fraction form
    76,395/114,621.72 = 29,651.52/x
  3. Step 3: Cross multiply
    76,395x = 114,621.72 × 29,651.52
  4. Step 4: Simplify right side
    76,395x = 3,398,708,223.01
  5. Step 5: Solve for x
    x = 3,398,708,223.01/76,395
  6. Step 6: Final answer
    x = 44,488.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.