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Finding the Fourth Proportional to 84,661.52, 116,832 and 48,851.12

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Solution

The fourth proportional to 84,661.52, 116,832 and 48,851.12 is: 67,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661.52 : 116,832 = 48,851.12 : x
  2. Step 2: Convert to fraction form
    84,661.52/116,832 = 48,851.12/x
  3. Step 3: Cross multiply
    84,661.52x = 116,832 × 48,851.12
  4. Step 4: Simplify right side
    84,661.52x = 5,707,374,051.84
  5. Step 5: Solve for x
    x = 5,707,374,051.84/84,661.52
  6. Step 6: Final answer
    x = 67,414.03

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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.