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Finding the Fourth Proportional to 207,358.65, 286,164.29 and 116,745.77

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Solution

The fourth proportional to 207,358.65, 286,164.29 and 116,745.77 is: 161,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,358.65 : 286,164.29 = 116,745.77 : x
  2. Step 2: Convert to fraction form
    207,358.65/286,164.29 = 116,745.77/x
  3. Step 3: Cross multiply
    207,358.65x = 286,164.29 × 116,745.77
  4. Step 4: Simplify right side
    207,358.65x = 33,408,471,389.83
  5. Step 5: Solve for x
    x = 33,408,471,389.83/207,358.65
  6. Step 6: Final answer
    x = 161,114.43

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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.