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Finding the Fourth Proportional to 245,791.68, 368,685.09 and 112,634.16

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Solution

The fourth proportional to 245,791.68, 368,685.09 and 112,634.16 is: 168,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,791.68 : 368,685.09 = 112,634.16 : x
  2. Step 2: Convert to fraction form
    245,791.68/368,685.09 = 112,634.16/x
  3. Step 3: Cross multiply
    245,791.68x = 368,685.09 × 112,634.16
  4. Step 4: Simplify right side
    245,791.68x = 41,526,535,416.67
  5. Step 5: Solve for x
    x = 41,526,535,416.67/245,791.68
  6. Step 6: Final answer
    x = 168,950.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.