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Finding the Fourth Proportional to 85,393.26, 117,842.58 and 47,667.51

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Solution

The fourth proportional to 85,393.26, 117,842.58 and 47,667.51 is: 65,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,393.26 : 117,842.58 = 47,667.51 : x
  2. Step 2: Convert to fraction form
    85,393.26/117,842.58 = 47,667.51/x
  3. Step 3: Cross multiply
    85,393.26x = 117,842.58 × 47,667.51
  4. Step 4: Simplify right side
    85,393.26x = 5,617,262,360.58
  5. Step 5: Solve for x
    x = 5,617,262,360.58/85,393.26
  6. Step 6: Final answer
    x = 65,781.10

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