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Finding the Fourth Proportional to 82,752.64, 114,198.12 and 45,027.04

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Solution

The fourth proportional to 82,752.64, 114,198.12 and 45,027.04 is: 62,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,752.64 : 114,198.12 = 45,027.04 : x
  2. Step 2: Convert to fraction form
    82,752.64/114,198.12 = 45,027.04/x
  3. Step 3: Cross multiply
    82,752.64x = 114,198.12 × 45,027.04
  4. Step 4: Simplify right side
    82,752.64x = 5,142,003,317.16
  5. Step 5: Solve for x
    x = 5,142,003,317.16/82,752.64
  6. Step 6: Final answer
    x = 62,137.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.