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Finding the Fourth Proportional to 85,752.22, 118,233.51 and 63,022

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Solution

The fourth proportional to 85,752.22, 118,233.51 and 63,022 is: 86,893.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,752.22 : 118,233.51 = 63,022 : x
  2. Step 2: Convert to fraction form
    85,752.22/118,233.51 = 63,022/x
  3. Step 3: Cross multiply
    85,752.22x = 118,233.51 × 63,022
  4. Step 4: Simplify right side
    85,752.22x = 7,451,312,267.22
  5. Step 5: Solve for x
    x = 7,451,312,267.22/85,752.22
  6. Step 6: Final answer
    x = 86,893.52

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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.