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Finding the Fourth Proportional to 85,959.56, 118,625.28 and 48,233

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Solution

The fourth proportional to 85,959.56, 118,625.28 and 48,233 is: 66,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,959.56 : 118,625.28 = 48,233 : x
  2. Step 2: Convert to fraction form
    85,959.56/118,625.28 = 48,233/x
  3. Step 3: Cross multiply
    85,959.56x = 118,625.28 × 48,233
  4. Step 4: Simplify right side
    85,959.56x = 5,721,653,130.24
  5. Step 5: Solve for x
    x = 5,721,653,130.24/85,959.56
  6. Step 6: Final answer
    x = 66,562.15

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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.