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Finding the Fourth Proportional to 86,605.11, 119,507.13 and 50,788.53

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Solution

The fourth proportional to 86,605.11, 119,507.13 and 50,788.53 is: 70,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,605.11 : 119,507.13 = 50,788.53 : x
  2. Step 2: Convert to fraction form
    86,605.11/119,507.13 = 50,788.53/x
  3. Step 3: Cross multiply
    86,605.11x = 119,507.13 × 50,788.53
  4. Step 4: Simplify right side
    86,605.11x = 6,069,591,457.22
  5. Step 5: Solve for x
    x = 6,069,591,457.22/86,605.11
  6. Step 6: Final answer
    x = 70,083.53

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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.